/* ==========================================================================
   GXA TOOLBOX DESIGN SYSTEM & CORE STYLESHEET
   ========================================================================== */

/* --- Design Tokens & Variables --- */
:root {
  /* Fonts */
  --font-display: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale (8pt Grid) */
  --space-2: 4px;
  --space-4: 8px;
  --space-6: 12px;
  --space-8: 16px;
  --space-10: 20px;
  --space-12: 24px;
  --space-16: 32px;
  --space-20: 40px;
  --space-24: 48px;
  --space-32: 64px;
  --space-40: 80px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows (Premium Elevation System) */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(37, 99, 235, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(37, 99, 235, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);

  /* Transitions */
  --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 420ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Colors (Light Mode Default) */
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #EFF6FF;
  --color-accent: #10B981;
  --color-accent-light: #E6FBF4;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-danger: #EF4444;
  --color-danger-light: #FEE2E2;

  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  --color-border: #E2E8F0;
  
  --color-text-primary: #0F172A;
  --color-text-secondary: #64748B;
  --color-text-muted: #94A3B8;

  --color-glass-bg: rgba(255, 255, 255, 0.65);
  --color-glass-border: rgba(255, 255, 255, 0.45);

  /* Shared elevation contract: content < sticky UI < header < drawers < modals < toasts. */
  --z-content: 0;
  --z-sticky: 20;
  --z-feedback: 30;
  --z-header: 50;
  --z-bottom-toolbar: 60;
  --z-drawer-backdrop: 90;
  --z-drawer: 100;
  --z-modal: 120;
  --z-toast: 140;
}

/* ==========================================================================
   PHASE 1 IMAGE STUDIO + PDF STUDIO SHELL
   ========================================================================== */
.phase-one-studio-page {
  max-width: 1540px;
}

.studio-product-label {
  display: block;
  margin-bottom: 3px;
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.phase-one-studio-frame {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-top: 18px;
  min-width: 0;
  max-width: 100%;
}

.phase-one-studio-frame > .tool-workspace,
.phase-one-studio-frame > .crop-editor-grid {
  width: 100%;
  min-width: 0;
  margin-top: 0;
}

.phase-one-studio-rail {
  position: sticky;
  top: 82px;
  z-index: 8;
  display: flex;
  max-height: calc(100vh - 104px);
  padding: 9px;
  overflow-x: hidden;
  overflow-y: auto;
  flex-direction: column;
  gap: 5px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  scrollbar-width: thin;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.studio-rail-heading {
  padding: 4px 2px 7px;
  color: var(--color-text-secondary);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
  text-align: center;
  text-transform: uppercase;
}

.studio-mode-button {
  display: flex;
  min-height: 58px;
  padding: 7px 4px;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  font: inherit;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .16s ease;
}

.studio-mode-button svg {
  width: 18px;
  height: 18px;
}

.studio-mode-button span {
  max-width: 66px;
  overflow: hidden;
  font-size: 9px;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  text-overflow: ellipsis;
}

.studio-mode-button:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft, rgba(37, 99, 235, .08));
  border-color: rgba(37, 99, 235, .18);
  transform: translateY(-1px);
}

.studio-mode-button.active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 7px 18px rgba(37, 99, 235, .24);
}

.studio-mode-button:focus-visible,
.studio-mobile-settings-toggle:focus-visible,
.studio-drawer-backdrop:focus-visible {
  outline: 3px solid var(--color-focus, #f59e0b);
  outline-offset: 2px;
}

.phase-one-studio-status {
  grid-column: 1 / -1;
  display: flex;
  min-height: 42px;
  padding: 9px 14px;
  color: var(--color-text-secondary);
  background: var(--color-surface-soft, rgba(148, 163, 184, .07));
  border: 1px solid var(--color-border);
  border-radius: 12px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 11px;
}

.phase-one-studio-status span {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
}

.phase-one-studio-status svg {
  width: 14px;
  height: 14px;
  color: var(--color-success, #10b981);
}

.phase-one-studio-status #studio-file-status {
  overflow: hidden;
  color: var(--color-text-primary);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.studio-mobile-settings-toggle,
.studio-drawer-backdrop,
.studio-drawer-close {
  display: none;
}

.phase-one-studio-page .tool-sidebar-settings,
.phase-one-studio-page .crop-options-panel {
  overscroll-behavior: contain;
}

.phase-one-studio-page .tool-sidebar-settings .tool-options-panel,
.phase-one-studio-page .crop-options-panel {
  top: 82px;
}

.phase-one-studio-page .upload-zone {
  min-height: 360px;
}

.phase-one-studio-page .file-preview-shell {
  border-radius: 16px;
  overflow: hidden;
}

.pdf-studio-page .file-preview-shell .preview-stage {
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  grid-template-rows: auto minmax(460px, 1fr);
  min-height: 520px;
  padding: 0;
  background: var(--color-background);
}

.pdf-studio-page .file-preview-shell .preview-control-bar {
  grid-column: 1 / -1;
  grid-row: 1;
  margin: 0;
  padding: 9px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
}

.pdf-studio-page .pdf-thumbnail-strip {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  max-height: 650px;
  padding: 10px;
  overflow-x: hidden;
  overflow-y: auto;
  align-content: start;
  gap: 9px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
}

.pdf-studio-page .pdf-thumbnail-button {
  width: 100%;
  min-width: 0;
}

.pdf-studio-page .pdf-thumbnail-button canvas {
  max-width: 100%;
  height: auto;
}

.pdf-studio-page .pdf-canvas-wrap {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
  min-height: 460px;
  padding: 24px;
  overflow: auto;
}

.pdf-studio-page .pdf-canvas-wrap canvas {
  box-shadow: 0 10px 30px rgba(15, 23, 42, .18);
}

.image-studio-page .image-pan-surface {
  min-height: 480px;
}

.image-studio-page .uploaded-image-preview {
  image-rendering: auto;
}

body.dark-mode .phase-one-studio-rail,
body.dark-mode .pdf-studio-page .pdf-thumbnail-strip,
body.dark-mode .pdf-studio-page .file-preview-shell .preview-control-bar {
  background: var(--color-surface);
}

@media (max-width: 1180px) {
  .phase-one-studio-frame {
    grid-template-columns: minmax(0, 1fr);
  }

  .phase-one-studio-rail {
    position: sticky;
    top: 68px;
    max-height: none;
    padding: 7px;
    overflow-x: auto;
    overflow-y: hidden;
    flex-direction: row;
    scrollbar-width: thin;
  }

  .studio-rail-heading {
    display: none;
  }

  .studio-mode-button {
    min-width: 74px;
    min-height: 52px;
    flex: 0 0 auto;
  }
}

@media (max-width: 760px) {
  .phase-one-studio-page {
    width: 100%;
    padding-inline: 12px;
  }

  .phase-one-studio-frame {
    gap: 10px;
  }

  .phase-one-studio-rail {
    top: 58px;
    margin-inline: -4px;
    border-radius: 12px;
  }

  .studio-mode-button {
    min-width: 66px;
    min-height: 48px;
  }

  .studio-mode-button span {
    font-size: 8px;
  }

  .phase-one-studio-status {
    padding: 8px 10px;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .phase-one-studio-status .studio-shortcuts {
    display: none;
  }

  .studio-mobile-settings-toggle {
    position: sticky;
    z-index: 22;
    bottom: 10px;
    grid-column: 1 / -1;
    display: inline-flex;
    width: 100%;
    min-height: 48px;
    color: #fff;
    background: var(--color-primary);
    border: 0;
    border-radius: 12px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, .24);
    align-items: center;
    justify-content: center;
    gap: 8px;
    font: inherit;
    font-weight: 800;
  }

  .phase-one-studio-page .tool-sidebar-settings,
  .phase-one-studio-page .crop-options-panel {
    position: fixed !important;
    z-index: 1002;
    top: 0 !important;
    right: 0;
    bottom: 0;
    width: min(92vw, 390px) !important;
    max-height: 100dvh;
    padding: 18px 14px calc(24px + env(safe-area-inset-bottom));
    overflow-y: auto;
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    border-radius: 0 !important;
    box-shadow: -18px 0 48px rgba(15, 23, 42, .24);
    transform: translateX(105%);
    transition: transform .2s ease;
  }

  .phase-one-studio-page.studio-settings-open .tool-sidebar-settings,
  .phase-one-studio-page.studio-settings-open .crop-options-panel {
    transform: translateX(0);
  }

  .studio-drawer-close {
    display: inline-flex;
    width: 100%;
    min-height: 42px;
    margin: 0 0 14px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--color-text);
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font: inherit;
    font-weight: 800;
  }

  .studio-drawer-backdrop {
    position: fixed;
    z-index: 1001;
    inset: 0;
    display: block;
    visibility: hidden;
    background: rgba(15, 23, 42, .48);
    border: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, visibility .2s ease;
  }

  .phase-one-studio-page.studio-settings-open .studio-drawer-backdrop {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .pdf-studio-page .file-preview-shell .preview-stage {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(360px, 1fr) auto;
    min-height: 440px;
  }

  .pdf-studio-page .file-preview-shell .preview-control-bar {
    grid-column: 1;
    grid-row: 1;
    overflow-x: auto;
    justify-content: flex-start;
  }

  .pdf-studio-page .pdf-canvas-wrap {
    grid-column: 1;
    grid-row: 2;
    min-height: 360px;
    padding: 12px;
  }

  .pdf-studio-page .pdf-thumbnail-strip {
    grid-column: 1;
    grid-row: 3;
    display: flex;
    max-height: 150px;
    padding: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    border-top: 1px solid var(--color-border);
    border-right: 0;
  }

  .pdf-studio-page .pdf-thumbnail-button {
    width: 88px;
    min-width: 88px;
  }

  .image-studio-page .image-pan-surface,
  .phase-one-studio-page .upload-zone {
    min-height: 330px;
  }
}

.studio-image-adjustments {
  margin: 0 0 16px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.studio-image-adjustments legend {
  color: var(--color-text-primary);
  font-size: 12px;
  font-weight: 800;
}

.studio-image-adjustments > small {
  display: block;
  margin-top: 9px;
  color: var(--color-text-secondary);
  font-size: 10px;
  line-height: 1.45;
}

.studio-transform-grid {
  display: grid;
  gap: 8px;
  margin: 5px 0 12px;
}

.studio-transform-grid > label:first-child {
  color: var(--color-text-secondary);
  font-size: 10px;
  font-weight: 700;
}

.studio-adjustment-row {
  display: block;
  margin: 9px 0;
}

.studio-adjustment-row > span {
  display: flex;
  margin-bottom: 4px;
  color: var(--color-text-secondary);
  justify-content: space-between;
  gap: 8px;
  font-size: 10px;
  font-weight: 700;
}

.studio-adjustment-row input[type="range"] {
  width: 100%;
}

.studio-watermark-controls {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

.studio-watermark-controls > label:first-child {
  display: block;
  margin-bottom: 5px;
  color: var(--color-text-primary);
  font-size: 11px;
  font-weight: 800;
}

.studio-reset-adjustments {
  width: 100%;
  min-height: 38px;
  margin-top: 8px;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid rgba(37, 99, 235, .28);
  border-radius: 9px;
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 800;
}

.studio-watermark-preview {
  position: absolute;
  z-index: 4;
  right: 5%;
  bottom: 6%;
  max-width: 80%;
  overflow: hidden;
  color: #fff;
  font-weight: 800;
  text-shadow: 0 1px 3px #000, 0 0 1px #000;
  text-overflow: ellipsis;
  white-space: nowrap;
  pointer-events: none;
}

.pdf-canvas-wrap {
  position: relative;
}

.pdf-crop-overlay {
  position: absolute;
  z-index: 6;
  box-sizing: border-box;
  min-width: 24px;
  min-height: 24px;
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 0 9999px rgba(15, 23, 42, .5);
  cursor: move;
  touch-action: none;
}

.pdf-crop-overlay::before,
.pdf-crop-overlay::after {
  position: absolute;
  content: '';
  pointer-events: none;
}

.pdf-crop-overlay::before {
  inset: 33.333% 0;
  border-top: 1px solid rgba(255, 255, 255, .65);
  border-bottom: 1px solid rgba(255, 255, 255, .65);
}

.pdf-crop-overlay::after {
  inset: 0 33.333%;
  border-right: 1px solid rgba(255, 255, 255, .65);
  border-left: 1px solid rgba(255, 255, 255, .65);
}

.pdf-crop-handle {
  position: absolute;
  z-index: 2;
  width: 13px;
  height: 13px;
  background: #fff;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
}

.pdf-crop-handle.handle-nw { top: -8px; left: -8px; cursor: nwse-resize; }
.pdf-crop-handle.handle-n { top: -8px; left: calc(50% - 6px); cursor: ns-resize; }
.pdf-crop-handle.handle-ne { top: -8px; right: -8px; cursor: nesw-resize; }
.pdf-crop-handle.handle-e { top: calc(50% - 6px); right: -8px; cursor: ew-resize; }
.pdf-crop-handle.handle-se { right: -8px; bottom: -8px; cursor: nwse-resize; }
.pdf-crop-handle.handle-s { bottom: -8px; left: calc(50% - 6px); cursor: ns-resize; }
.pdf-crop-handle.handle-sw { bottom: -8px; left: -8px; cursor: nesw-resize; }
.pdf-crop-handle.handle-w { top: calc(50% - 6px); left: -8px; cursor: ew-resize; }

.pdf-source-metadata {
  padding: 10px;
  color: var(--color-text-secondary);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 9px;
  font-size: 10px;
  line-height: 1.55;
}

#pdf-signature-pad {
  display: block;
  width: 100%;
  height: 100px;
  margin: 6px 0;
  background: #fff;
  border: 1px dashed #94a3b8;
  border-radius: 9px;
  cursor: crosshair;
  touch-action: none;
}

@media (max-width: 380px) {
  .phase-one-studio-page {
    padding-inline: 8px;
  }

  .studio-mode-button {
    min-width: 61px;
  }

  .phase-one-studio-status {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .studio-mode-button,
  .phase-one-studio-page .tool-sidebar-settings,
  .phase-one-studio-page .crop-options-panel,
  .studio-drawer-backdrop {
    transition: none;
  }
}

/* --- Dark Mode Variables --- */
body.dark-mode {
  --color-primary: #3B82F6;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #172554;
  --color-accent: #34D399;
  --color-accent-light: #064E3B;
  --color-warning: #FBBF24;
  --color-warning-light: #78350F;
  --color-danger: #F87171;
  --color-danger-light: #7F1D1D;

  --color-bg: #070B18;
  --color-surface: #0E1325;
  --color-surface-elevated: #161D33;
  --color-border: #1E293B;

  --color-text-primary: #F8FAFC;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;

  --color-glass-bg: rgba(14, 19, 37, 0.65);
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* Dark Mode Category Glow Overrides */
body.dark-mode .cat-pdf { --hover-glow-color: rgba(248, 113, 113, 0.45); }
body.dark-mode .cat-image { --hover-glow-color: rgba(167, 139, 250, 0.45); }
body.dark-mode .cat-convert { --hover-glow-color: rgba(56, 189, 248, 0.45); }
body.dark-mode .cat-zip { --hover-glow-color: rgba(251, 191, 36, 0.45); }
body.dark-mode .cat-utility { --hover-glow-color: rgba(52, 211, 153, 0.45); }
body.dark-mode .cat-calculator { --hover-glow-color: rgba(244, 63, 94, 0.45); }

/* --- Global Reset & Accessibility --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  line-height: 1.65;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

/* Accessibility Focus Outline */
*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  z-index: 99999;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 20px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Layout Containers */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-body {
  flex-grow: 1;
  padding-top: 80px; /* Offset for fixed header */
  position: relative;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-12);
  width: 100%;
}

/* ==========================================================================
   NAVIGATION / HEADER
   ========================================================================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-glass-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  cursor: pointer;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 2px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  overflow: hidden;
}

.logo-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 2px);
}

.logo-text {
  white-space: nowrap;
}

.logo-text span {
  color: var(--color-text-primary);
}

/* Nav Menu Items */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-primary);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Mega Menu Dropdowns */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 680px;
  max-width: calc(100vw - 32px);
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-10);
  display: none;
  grid-template-columns: repeat(3, 1fr) 200px;
  gap: var(--space-8);
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  pointer-events: none;
  z-index: 1001;
}

.nav-item:hover .mega-menu {
  display: grid;
  opacity: 1;
  transform: translateX(-50%) translateY(0px);
  pointer-events: auto;
}

.mega-col-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2);
}

.mega-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

.mega-list-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.mega-list-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: translateX(4px);
}

.mega-popular {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mega-popular-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

/* Nav Actions (Buttons, Mode, Language) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.btn-icon-nav {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-nav:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
}

/* Language Selector Dropdown */
.lang-dropdown {
  position: relative;
}

.lang-menu {
  position: absolute;
  top: 120%;
  right: 0;
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 160px;
  display: none;
  flex-direction: column;
  z-index: 1002;
  overflow: hidden;
}

.lang-dropdown:hover .lang-menu {
  display: flex;
}

.lang-option {
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  padding: var(--space-4) var(--space-6);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: background-color var(--transition-fast);
}

.lang-option:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.lang-option.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
}

/* ==========================================================================
   BUTTON SYSTEM
   ========================================================================== */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  min-height: 44px;
  padding: var(--space-4) var(--space-8);
  font-size: 15px;
}

.btn-lg {
  min-height: 48px;
  padding: var(--space-4) var(--space-10);
  font-size: 16px;
}

.btn-sm {
  min-height: 36px;
  padding: var(--space-2) var(--space-6);
  font-size: 13px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.97);
}

.btn-secondary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: transparent;
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: transparent;
}

.btn-danger {
  background-color: var(--color-danger);
  color: #FFFFFF;
}

.btn-danger:hover:not(:disabled) {
  background-color: #DC2626;
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ==========================================================================
   HOMEPAGE
   ========================================================================== */

/* Hero Section */
.hero-section {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: var(--space-16) 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  z-index: 2;
}

.badge-trust {
  align-self: flex-start;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-pill);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -2px;
  color: var(--color-text-primary);
}

.hero-headline span {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.hero-notes {
  display: flex;
  gap: var(--space-6);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Hero Illustration Graphic */
.hero-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.svg-flow-hub {
  width: 100%;
  max-width: 440px;
  height: auto;
  animation: floatHub 5s ease-in-out infinite;
}

@keyframes floatHub {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.pulse-circle {
  animation: pulseHub 3s ease-in-out infinite;
}

@keyframes pulseHub {
  0%, 100% { fill-opacity: 0.15; r: 70px; }
  50% { fill-opacity: 0.25; r: 75px; }
}

/* Featured Tools Grid */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
}

/* Tool Filters */
.tool-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-12);
  box-shadow: var(--shadow-sm);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-tab {
  background: none;
  border: none;
  padding: var(--space-2) var(--space-6);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.filter-tab.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.search-wrapper {
  position: relative;
  width: 280px;
  min-width: 0;
  max-width: 100%;
}

.search-input {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: 40px;
  box-sizing: border-box;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding-left: 48px;
  padding-right: var(--space-6);
  font-family: inherit;
  font-size: 14px;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Grid layout */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-20);
}

.tool-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-spring);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--hover-glow-color, var(--color-primary));
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.1), 0 0 15px var(--hover-glow-color, rgba(37, 99, 235, 0.3));
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.tool-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.tool-card-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

/* Category Colors */
.cat-pdf { border-left: 4px solid var(--color-danger); --hover-glow-color: rgba(239, 68, 68, 0.35); }
.cat-pdf .tool-card-icon { background-color: var(--color-danger-light); color: var(--color-danger); }

.cat-image { border-left: 4px solid #8B5CF6; --hover-glow-color: rgba(139, 92, 246, 0.35); }
.cat-image .tool-card-icon { background-color: #EDE9FE; color: #8B5CF6; }

.cat-convert { border-left: 4px solid #0EA5E9; --hover-glow-color: rgba(14, 165, 233, 0.35); }
.cat-convert .tool-card-icon { background-color: #E0F2FE; color: #0EA5E9; }

.cat-zip { border-left: 4px solid var(--color-warning); --hover-glow-color: rgba(245, 158, 11, 0.35); }
.cat-zip .tool-card-icon { background-color: var(--color-warning-light); color: var(--color-warning); }

.cat-utility { border-left: 4px solid var(--color-accent); --hover-glow-color: rgba(16, 185, 129, 0.35); }
.cat-utility .tool-card-icon { background-color: var(--color-accent-light); color: var(--color-accent); }

.cat-calculator { border-left: 4px solid #F43F5E; --hover-glow-color: rgba(244, 63, 94, 0.35); }
.cat-calculator .tool-card-icon { background-color: #FFF1F2; color: #F43F5E; }

/* Value Props / Features */
.features-section {
  padding: var(--space-20) 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-12);
}

.feature-card {
  padding: var(--space-8);
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border: 1px solid transparent;
  transition: transform var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-2px);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.feature-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* Why Choose Us & Statistics */
.stats-section {
  padding: var(--space-20) 0;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-10);
  margin-top: var(--space-12);
}

.stat-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* Monetization Slider Section */
.pricing-section {
  padding: var(--space-20) 0;
  background-color: var(--color-surface-elevated);
}

.pricing-tabs-wrapper {
  max-width: 600px;
  margin: 0 auto var(--space-12) auto;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-12);
}

.pricing-card {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.pricing-card.premium {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-dark);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-pill);
}

.pricing-header h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.pricing-price span {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  font-size: 14px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-secondary);
}

.pricing-features li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 900;
}

/* CTA Banner Section */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: var(--space-20);
  margin: var(--space-20) 0;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 60%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
}

.cta-subtitle {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: var(--space-6);
  max-width: 500px;
}

.cta-ill {
  display: flex;
  justify-content: center;
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-primary);
}

.btn-white:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   TOOL PAGE LAYOUT & DROPAREA
   ========================================================================== */
.tool-container {
  padding: var(--space-12) 0;
}

.tool-header {
  margin-bottom: var(--space-12);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.breadcrumb-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  cursor: pointer;
}

.breadcrumb-link:hover {
  color: var(--color-primary);
}

.tool-title-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-2);
}

.tool-page-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
}

.tool-badges {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.tool-badge {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Tool Interactive Layout */
.tool-workspace {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
  align-items: start;
}

.tool-workspace.full {
  grid-template-columns: 1fr;
}

/* Core Upload Zone styling */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20) var(--space-10);
  background-color: var(--color-surface);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: scale(1.005);
}

.upload-icon {
  color: var(--color-text-muted);
}

.upload-zone.dragover .upload-icon {
  animation: bounceUpload 0.6s infinite alternate;
}

@keyframes bounceUpload {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

.upload-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
}

.upload-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
}

.upload-formats {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.format-chip {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 12px;
  font-weight: 700;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}

/* Compact Upload strip (visible when files are queued) */
.compact-upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background-color: var(--color-surface);
  text-align: center;
  cursor: pointer;
  margin-bottom: var(--space-6);
}

.compact-upload-zone:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* File selected queues list */
.queue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.file-queue {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.file-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.file-card-thumb {
  width: 50px;
  height: 50px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.file-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-card-info {
  flex-grow: 1;
  overflow: hidden;
}

.file-card-name {
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-card-size {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.file-card-remove {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.file-card-remove:hover {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
}

/* Processing & Progress indicators */
.processing-card {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-12);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-6) auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--color-bg);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-top: var(--space-6);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  width: 0%;
  transition: width 0.2s ease-out;
}

.shimmer-bg {
  position: relative;
}

.shimmer-bg::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Complete / Download State */
.complete-card {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.complete-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6) auto;
}

.complete-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.complete-comparison {
  margin-top: var(--space-4);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

/* Tool Options Settings Panel */
.tool-options-panel {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.options-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-weight: 700;
  font-size: 14px;
}

.form-input-text {
  height: 44px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-4);
  font-family: inherit;
  font-size: 14px;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.form-input-text:focus {
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  outline: none;
}

/* Custom Custom Slider Controls */
.slider-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
}

.custom-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  outline: none;
}

.custom-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid #FFFFFF;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.custom-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Preset Select Groups */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: var(--space-2);
}

.preset-btn {
  height: 38px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.preset-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

/* Checkbox Toggle Buttons */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.custom-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.checkbox-label input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkbox-label input:checked ~ .custom-checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.custom-checkbox::after {
  content: "";
  width: 5px;
  height: 10px;
  border: solid #FFFFFF;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  display: none;
}

.checkbox-label input:checked ~ .custom-checkbox::after {
  display: block;
}

/* Color Palette Swatches Picker */
.swatches-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
}

.swatch-btn {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.swatch-btn:hover {
  transform: scale(1.1);
}

.swatch-btn.active {
  border-color: var(--color-text-primary);
}

/* How to use Timeline */
.how-to-section {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-16);
}

.how-to-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: var(--space-8);
}

.how-to-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.how-to-step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-weight: 700;
  font-size: 16px;
}

.step-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* Related Tools list strip */
.related-section {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
}

.related-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: var(--space-6);
}

.related-grid {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  padding-bottom: var(--space-4);
}

.related-grid .tool-card {
  min-width: 220px;
}

/* FAQ Accordion component */
.faq-section {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
}

.faq-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: var(--space-8);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: var(--space-6);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-trigger:hover {
  background-color: var(--color-primary-light);
}

.faq-content {
  padding: 0 var(--space-6) var(--space-6) var(--space-6);
  font-size: 14px;
  color: var(--color-text-secondary);
  display: none;
}

.faq-item.active .faq-content {
  display: block;
}

.faq-icon {
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   SPECIFIC TOOL INTERACTION INTERFACES
   ========================================================================== */

/* Password Generator */
.password-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  word-break: break-all;
}

.pw-strength-bar {
  height: 8px;
  border-radius: var(--radius-pill);
  background-color: var(--color-border);
  margin-top: var(--space-2);
  overflow: hidden;
}

.pw-strength-fill {
  height: 100%;
  width: 0;
  transition: all var(--transition-fast);
}

.strength-weak { background-color: var(--color-danger); }
.strength-fair { background-color: var(--color-warning); }
.strength-strong { background-color: var(--color-accent); }

.history-box {
  margin-top: var(--space-6);
  background-color: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.history-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

.history-item {
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  color: var(--color-text-secondary);
}

/* Barcode QR Utility */
.barcode-preview-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.barcode-svg-container {
  background-color: #FFFFFF;
  padding: var(--space-6);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* Canvas Cropper */
.legacy-cropper-container {
  position: relative;
  background-color: #0F172A;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.legacy-cropper-image {
  max-width: 100%;
  max-height: 480px;
  display: block;
}

.legacy-cropper-overlay {
  position: absolute;
  border: 2px dashed #FFFFFF;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.65);
  cursor: move;
}

/* Crop Handles */
.legacy-crop-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background-color: var(--color-primary);
  border: 2px solid #FFFFFF;
  border-radius: 50%;
}

.handle-nw { top: -6px; left: -6px; cursor: nwse-resize; }
.handle-ne { top: -6px; right: -6px; cursor: nesw-resize; }
.handle-sw { bottom: -6px; left: -6px; cursor: nesw-resize; }
.handle-se { bottom: -6px; right: -6px; cursor: nwse-resize; }

/* Dynamic Image Compare Slider */
.compare-container {
  position: relative;
  width: 100%;
  height: 360px;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.compare-img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: contain;
}

.compare-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  overflow: hidden;
}

.compare-handle-line {
  position: absolute;
  top: 0; bottom: 0; width: 2px;
  background-color: #FFFFFF;
  cursor: ew-resize;
  z-index: 10;
}

.compare-handle-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%) translateX(-50%);
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  border: 2px solid #FFFFFF;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: ew-resize;
  box-shadow: var(--shadow-md);
}

/* Color Extraction palette styles */
.palette-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.palette-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.palette-card:hover {
  transform: translateY(-2px);
}

.palette-card-color {
  height: 60px;
}

.palette-card-hex {
  padding: var(--space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

/* ==========================================================================
   USER DASHBOARD
   ========================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-12);
  padding: var(--space-12) 0;
}

.dashboard-sidebar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.user-profile-widget {
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-6);
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4) auto;
}

.user-profile-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}

.user-profile-tier {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-top: var(--space-2);
}

.db-sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.db-sidebar-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.db-sidebar-link:hover, .db-sidebar-link.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Dashboard Content */
.dashboard-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.db-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
}

.db-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.db-stat-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.db-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.db-stat-info {
  display: flex;
  flex-direction: column;
}

.db-stat-num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
}

.db-stat-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* History Chart mockup */
.db-chart-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.db-chart-header {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.mock-chart-container {
  height: 180px;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  padding-top: var(--space-6);
  border-bottom: 2px solid var(--color-border);
}

.mock-chart-bar {
  width: 40px;
  background: linear-gradient(0deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  display: flex;
  justify-content: center;
  transition: height 0.5s ease-out;
}

.mock-chart-val {
  position: absolute;
  top: -24px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.mock-chart-label {
  margin-top: var(--space-2);
  font-size: 11px;
  color: var(--color-text-muted);
}

/* History Log table styling */
.db-table-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.db-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.db-table-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.db-table-wrapper {
  overflow-x: auto;
}

.db-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.db-table th {
  padding: var(--space-4) var(--space-6);
  border-bottom: 2px solid var(--color-border);
  font-weight: 700;
  color: var(--color-text-secondary);
}

.db-table td {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.db-table tr:last-child td {
  border-bottom: none;
}

.badge-history-status {
  font-size: 11px;
  font-weight: 700;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
}

.status-done { background-color: var(--color-accent-light); color: var(--color-accent); }
.status-fail { background-color: var(--color-danger-light); color: var(--color-danger); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-nav {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8) 0;
  margin-top: var(--space-24);
  font-size: 14px;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-tagline {
  color: var(--color-text-secondary);
  max-width: 280px;
}

.footer-newsletter {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.footer-newsletter input {
  height: 44px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0 var(--space-6);
  width: 100%;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-col-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer-copy {
  color: var(--color-text-muted);
}

/* ==========================================================================
   GLOBAL UTILITIES / TOAST / MODALS
   ========================================================================== */

/* Toast Container Stack */
.toast-stack {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  z-index: 9999;
}

.toast {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-lg);
  min-width: 320px;
  max-width: 400px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  animation: slideInToast 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

@keyframes slideInToast {
  0% { transform: translateX(120%); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

.toast-success { border-left-color: var(--color-accent); }
.toast-error { border-left-color: var(--color-danger); }
.toast-warning { border-left-color: var(--color-warning); }

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.toast-message {
  font-size: 14px;
  font-weight: 700;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
}

/* Modal Overlay & Card Dialogs */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(10, 15, 30, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--space-6);
  transition: opacity var(--transition-fast);
}

.modal-card {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: var(--space-12);
  box-shadow: var(--shadow-2xl);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  animation: scaleInModal 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleInModal {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--color-danger);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-4);
}

/* Production authentication dialog */
.auth-modal-card {
  max-width: 520px;
  max-height: min(780px, calc(100dvh - 32px));
  padding: 30px;
  gap: 18px;
  overflow: hidden;
  border-color: #D7E2F0;
  background: color-mix(in srgb, var(--color-surface) 98%, #F8FAFC);
  box-shadow: 0 28px 80px -44px rgba(15, 23, 42, .58);
}
.auth-modal-accent {
  position: absolute;
  top: 24px;
  right: 72px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
  border-radius: 11px;
  background: #EFF6FF;
}
.auth-modal-accent svg { width: 19px; }
.auth-modal-header { min-width: 0; flex: 0 0 auto; align-items: flex-start; padding-right: 54px; }
.auth-modal-header > div { min-width: 0; }
.auth-eyebrow { display: block; margin-bottom: 4px; color: var(--color-primary); font-size: 10px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.auth-modal-card .modal-title { font-size: clamp(21px, 3vw, 26px); line-height: 1.18; letter-spacing: -.025em; overflow-wrap: normal; }
.auth-modal-card .modal-close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); }
.auth-modal-card .modal-close:hover { color: var(--color-primary); border-color: #93C5FD; background: #EFF6FF; }
.auth-form { min-height: 0; gap: 14px; overflow-y: auto; overscroll-behavior: contain; scroll-padding-block: 20px 96px; }
.auth-description { min-height: min-content; margin: 0 0 2px; flex: 0 0 auto; color: var(--color-text-secondary); font-size: 13px; line-height: 1.55; overflow: visible; }
.auth-field { display: grid; gap: 6px; }
.auth-field { scroll-margin-block: 20px 96px; }
.auth-field .form-label { margin: 0; color: var(--color-text-primary); font-size: 12px; font-weight: 750; }
.auth-field .form-input-text { width: 100%; min-height: 44px; padding: 0 12px; border-color: #D7E2F0; background: var(--color-surface); font-size: 14px; }
.auth-field .form-input-text:hover { border-color: #B8C8DD; }
.auth-field .form-input-text:focus { border-color: #60A5FA; box-shadow: 0 0 0 3px rgba(37, 99, 235, .11); }
.auth-field .form-input-text.is-invalid { border-color: #F87171; box-shadow: 0 0 0 3px rgba(239, 68, 68, .08); }
.auth-field-error { min-height: 14px; color: var(--color-danger); font-size: 11px; font-weight: 650; }
.auth-password-control { position: relative; }
.auth-password-control .form-input-text { padding-right: 46px; }
.auth-password-toggle { position: absolute; top: 4px; right: 4px; width: 36px; height: 36px; display: grid; place-items: center; border: 0; border-radius: 8px; color: var(--color-text-muted); background: transparent; cursor: pointer; }
.auth-password-toggle:hover { color: var(--color-primary); background: #EFF6FF; }
.auth-password-toggle svg { width: 17px; }
.auth-remember { display: flex; align-items: flex-start; gap: 9px; color: var(--color-text-primary); font-size: 12px; font-weight: 700; cursor: pointer; }
.auth-remember input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--color-primary); }
.auth-remember span { display: grid; gap: 1px; }
.auth-remember small { color: var(--color-text-muted); font-size: 10px; font-weight: 500; }
.auth-strength { display: grid; gap: 6px; color: var(--color-text-muted); font-size: 10px; }
.auth-strength-bars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.auth-strength-bars span { height: 4px; border-radius: 999px; background: var(--color-border); }
.auth-strength[data-level="1"] .auth-strength-bars span:nth-child(-n+1) { background: #EF4444; }
.auth-strength[data-level="2"] .auth-strength-bars span:nth-child(-n+2) { background: #F59E0B; }
.auth-strength[data-level="3"] .auth-strength-bars span:nth-child(-n+3) { background: #3B82F6; }
.auth-strength[data-level="4"] .auth-strength-bars span { background: #10B981; }
.auth-status { padding: 10px 12px; border: 1px solid; border-radius: 9px; font-size: 12px; font-weight: 650; line-height: 1.45; }
.auth-status-error { color: #B91C1C; border-color: #FECACA; background: #FEF2F2; }
.auth-status-success { color: #047857; border-color: #A7F3D0; background: #ECFDF5; }
.auth-submit { width: 100%; min-height: 46px; margin-top: 2px; justify-content: center; }
.auth-submit svg { width: 17px; }
.auth-switch { margin: 0; color: var(--color-text-secondary); font-size: 12px; text-align: center; }
.auth-switch a { color: var(--color-primary); font-weight: 750; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }
body.dark-mode .auth-modal-card { border-color: var(--color-border); }
body.dark-mode .auth-modal-accent,
body.dark-mode .auth-modal-card .modal-close:hover,
body.dark-mode .auth-password-toggle:hover { color: #93C5FD; border-color: #315A97; background: #172554; }
body.dark-mode .auth-field .form-input-text { border-color: var(--color-border); }
body.dark-mode .auth-status-error { color: #FCA5A5; border-color: #7F1D1D; background: #450A0A; }
body.dark-mode .auth-status-success { color: #6EE7B7; border-color: #065F46; background: #022C22; }

@media (max-width: 640px) {
  .modal-overlay { padding: 12px; align-items: flex-end; }
  .auth-modal-card { max-height: calc(100dvh - 24px); padding: 24px 18px 20px; border-radius: 18px 18px 12px 12px; }
  .auth-modal-accent { display: none; }
  .auth-modal-header { padding-right: 42px; }
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   RTL LANGUAGE LAYOUT MIRROR (SUPPORT FOR ARABIC, HEBREW, ETC)
   ========================================================================== */
html[dir="rtl"] {
  text-align: right;
}

html[dir="rtl"] body {
  font-family: var(--font-body);
}

html[dir="rtl"] .logo {
  flex-direction: row-reverse;
}

html[dir="rtl"] .nav-link {
  flex-direction: row-reverse;
}

html[dir="rtl"] .mega-list-link:hover {
  transform: translateX(-4px);
}

html[dir="rtl"] .lang-option {
  text-align: right;
  flex-direction: row-reverse;
}

html[dir="rtl"] .pricing-features li::before {
  content: "✓";
  margin-left: var(--space-4);
  margin-right: 0;
}

html[dir="rtl"] .btn {
  flex-direction: row-reverse;
}

html[dir="rtl"] .tool-badge {
  flex-direction: row-reverse;
}

html[dir="rtl"] .faq-trigger {
  text-align: right;
}

html[dir="rtl"] .db-sidebar-link {
  flex-direction: row-reverse;
}

html[dir="rtl"] .db-stat-card {
  flex-direction: row-reverse;
}

html[dir="rtl"] .db-table {
  text-align: right;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-menu {
    gap: var(--space-2);
  }

  .nav-link {
    padding-inline: var(--space-4);
  }

  .nav-actions {
    gap: var(--space-3);
  }

  .logo {
    gap: var(--space-2);
  }

  .logo-text {
    font-size: 19px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-12);
  }

  .badge-trust {
    align-self: center;
  }

  .hero-headline {
    font-size: 44px;
  }

  .hero-subheadline {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-notes {
    justify-content: center;
  }

  .tool-workspace {
    grid-template-columns: 1fr;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .cta-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 1100px) {
  .logo-text .brand-suffix { display: none; }
  .mega-menu { position: fixed; top: 70px; left: 50vw; }
}

@media (max-width: 900px) {
  .logo-text .brand-suffix {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-nav {
    height: 70px;
  }

  .nav-menu {
    display: none; /* Can implement mobile drawer toggle */
  }

  .header-nav .container {
    padding-inline: var(--space-6);
  }

  .logo-text .brand-suffix,
  .lang-dropdown .btn-icon-nav span {
    display: none;
  }

  .nav-actions {
    gap: var(--space-2);
  }

  .nav-actions .btn-sm {
    height: 36px;
    padding-inline: var(--space-4);
    font-size: 12px;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .how-to-steps {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .logo-text {
    display: none;
  }
}

/* ==========================================================================
   REDUCED MOTION OVERRIDES (ACCESSIBILITY)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Extra layout styles for new utilities */
.palette-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.palette-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.palette-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.palette-card-color {
  height: 50px;
}
.palette-card-hex {
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}
.complete-comparison {
  margin-top: 12px;
}
.complete-comparison strong {
  font-size: 14px;
}

/* ==========================================================================
   USER & ADMIN PORTALS / DASHBOARD STYLES
   ========================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-top: var(--space-6);
}

@media (max-width: 992px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.dashboard-sidebar {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 100px;
}

.user-profile-widget {
  text-align: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.user-profile-widget .avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.user-profile-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.user-profile-tier {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  display: inline-block;
}

.db-sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.db-sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.db-sidebar-link i, .db-sidebar-link svg {
  width: 18px;
  height: 18px;
}

.db-sidebar-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: translateX(4px);
}

.db-sidebar-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: var(--shadow-sm);
}

/* Dashboard Content Area */
.dashboard-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.db-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.db-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.db-stat-card {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: transform var(--transition-base);
}

.db-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.db-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.db-stat-icon svg, .db-stat-icon i {
  width: 24px;
  height: 24px;
}

.db-stat-info {
  display: flex;
  flex-direction: column;
}

.db-stat-num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.db-stat-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Analytics Chart Card */
.db-chart-card {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.db-chart-header {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

/* Data Tables */
.db-table-card {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.db-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-3);
}

.db-table-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.db-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.db-table th {
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
  letter-spacing: 0.5px;
}

.db-table td {
  padding: var(--space-4);
  font-size: 14px;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.db-table tr:last-child td {
  border-bottom: none;
}

.db-table tbody tr:hover {
  background-color: rgba(37, 99, 235, 0.02);
}

body.dark-mode .db-table tbody tr:hover {
  background-color: rgba(59, 130, 246, 0.04);
}

/* Status Badges */
.badge-history-status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.badge-history-status.status-done,
.badge-history-status.status-completed,
.badge-history-status.status-active {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.badge-history-status.status-fail,
.badge-history-status.status-failed,
.badge-history-status.status-inactive {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
}

/* Admin Specific Elements */
.admin-badge {
  background-color: #EDE9FE;
  color: #8B5CF6;
  font-weight: 700;
  font-size: 11px;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
}

body.dark-mode .admin-badge {
  background-color: #4C1D95;
  color: #A78BFA;
}

.plan-select {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

.plan-select:focus {
  border-color: var(--color-primary);
  outline: none;
}

/* Before/After Image Slider styles */
.before-after-container {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin: 0 auto 20px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.before-after-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#ba-before {
  background-color: #0f172a;
}
#ba-after {
  background-color: #1e293b;
  background-image: radial-gradient(var(--color-border) 1px, transparent 0), radial-gradient(var(--color-border) 1px, transparent 0);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
  clip-path: inset(0 0 0 50%);
}
#ba-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--color-primary);
  pointer-events: none;
  transform: translateX(-50%);
  z-index: 5;
}
.ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: 2px solid #ffffff;
  font-size: 12px;
}
.ba-slider-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  margin: 0;
  z-index: 10;
}
/* Shared file-workspace preview and truthful processing states */
.processing-badge { color: var(--color-primary); background: var(--color-primary-light); white-space: nowrap; }
.processing-dependency { color: #b45309; background: rgba(245, 158, 11, .12); }
.processing-server { color: #7c3aed; background: rgba(124, 58, 237, .12); }
.processing-disclosure { margin-top: 8px; color: var(--color-text-muted); font-size: 12px; line-height: 1.5; }
.dependency-required-state { padding: 14px; border: 1px solid #f59e0b; border-radius: var(--radius-md); background: rgba(245, 158, 11, .08); color: var(--color-text-primary); }
.dependency-required-state p { margin: 6px 0 0; color: var(--color-text-secondary); font-size: 12px; line-height: 1.5; }
.dependency-service-state { min-height: 360px; padding: 44px 24px; display: grid; place-items: center; align-content: center; gap: 12px; text-align: center; color: var(--color-text-primary); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.dependency-service-state .upload-icon-shell { color: var(--color-warning); background: rgba(245, 158, 11, .1); }
.dependency-service-state h3, .dependency-service-state p { margin: 0; }
.dependency-service-state p { max-width: 560px; color: var(--color-text-secondary); line-height: 1.6; }

.studio-annotation-surface { position: relative; }
.studio-annotation-canvas { position: absolute; z-index: 8; touch-action: none; cursor: crosshair; outline: none; }
.studio-annotation-canvas[data-tool="select"] { cursor: move; }
.studio-annotation-canvas[data-tool="eraser"] { cursor: not-allowed; }
.studio-annotation-canvas:focus-visible { box-shadow: 0 0 0 3px rgba(37, 99, 235, .38); }
.studio-annotation-controls { margin: 14px 0; padding: 12px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.studio-annotation-controls legend { padding: 0 6px; font-weight: 800; }
.annotation-tool-grid, .annotation-action-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.annotation-tool-grid button, .annotation-action-grid button, .annotation-text-controls > button { min-height: 36px; padding: 7px; color: var(--color-text-primary); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; font: inherit; font-size: 11px; font-weight: 700; }
.annotation-tool-grid button.active { color: #fff; background: var(--color-primary); border-color: var(--color-primary); }
.annotation-property-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 10px 0; }
.annotation-property-grid label, .annotation-text-controls > label { display: grid; gap: 4px; min-width: 0; color: var(--color-text-secondary); font-size: 10px; font-weight: 700; }
.annotation-property-grid input[type="color"] { width: 100%; min-height: 34px; padding: 2px; border: 1px solid var(--color-border); border-radius: 7px; background: var(--color-surface); }
.annotation-property-grid input[type="range"] { width: 100%; }
.annotation-property-grid .checkbox-label { display: flex; grid-column: 1 / -1; }
.annotation-text-controls { padding: 10px 0; border-top: 1px solid var(--color-border); }
.annotation-text-controls > button { width: 100%; margin-bottom: 10px; }
.studio-annotation-controls small { display: block; margin-top: 8px; color: var(--color-text-secondary); line-height: 1.45; }
.annotation-selection-status { color: var(--color-primary) !important; font-weight: 800; }
.file-card { cursor: pointer; }
.file-card.is-previewed { outline: 2px solid var(--color-primary); outline-offset: 1px; }
#file-preview-workspace { margin-top: 16px; }
.file-preview-shell { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.preview-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--color-border); }
.preview-toolbar > div { min-width: 0; }
.preview-file-name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-file-meta, .preview-count, .preview-details { color: var(--color-text-muted); font-size: 12px; }
.preview-stage { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 260px; max-height: 560px; overflow: auto; padding: 16px; background: var(--color-bg); }
.preview-details { padding: 10px 14px; border-top: 1px solid var(--color-border); }
.preview-control-bar { position: sticky; top: 0; z-index: 3; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; width: 100%; padding: 6px; }
.preview-control-bar button, .pdf-page-button { min-width: 36px; min-height: 34px; padding: 6px 10px; border: 1px solid var(--color-border); border-radius: 6px; background: var(--color-surface); color: var(--color-text-primary); cursor: pointer; }
.uploaded-image-preview { display: block; max-width: 100%; max-height: 440px; object-fit: contain; transform-origin: center; transition: transform .16s ease; }
.pdf-preview-canvas { display: block; max-width: 100%; height: auto; box-shadow: var(--shadow-md); background: #fff; }
.pdf-page-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 12px; }
.pdf-page-button.active { border-color: var(--color-primary); color: var(--color-primary); }
.archive-preview-list { width: 100%; max-height: 340px; overflow: auto; margin: 0; padding-left: 24px; }
.text-file-preview { width: 100%; max-height: 420px; overflow: auto; margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-family: var(--font-mono); font-size: 12px; }
.office-preview-summary { width: min(100%, 520px); }
.office-preview-summary dl { display: grid; grid-template-columns: minmax(90px, auto) 1fr; gap: 8px 16px; }
.office-preview-summary dt { font-weight: 700; }
.office-preview-summary dd { margin: 0; overflow-wrap: anywhere; }
.preview-error-state { width: min(100%, 560px); padding: 16px; border: 1px solid #ef4444; border-radius: var(--radius-md); background: rgba(239, 68, 68, .08); color: var(--color-text-primary); }
.preview-error-state p { margin: 6px 0 0; color: var(--color-text-secondary); }

@media (max-width: 640px) {
  .tool-title-wrapper { align-items: flex-start; flex-wrap: wrap; }
  .preview-stage { min-height: 220px; padding: 10px; }
  .preview-control-bar { position: static; }
  .processing-badge { max-width: 100%; white-space: normal; }
}

/* ========================================================================== 
   PREMIUM PRODUCT EXPERIENCE — shared across marketing, tools, and dashboard
   ========================================================================== */
:root {
  --premium-blue: #2563eb;
  --premium-indigo: #4f46e5;
  --premium-cyan: #06b6d4;
  --premium-gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 58%, #06b6d4 100%);
  --premium-shadow: 0 24px 65px -24px rgba(37, 99, 235, .3), 0 12px 28px -18px rgba(15, 23, 42, .22);
}

body.dark-mode {
  --color-bg: #020617;
  --color-surface: #111827;
  --color-surface-elevated: #182235;
  --color-border: #1e293b;
  --color-glass-bg: rgba(2, 6, 23, .82);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.header-nav {
  height: 72px;
  background: color-mix(in srgb, var(--color-surface) 94%, transparent);
  border-bottom-color: #DCE4F0;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .04);
}

.main-body { padding-top: 72px; }
.nav-container { gap: 18px; }
.logo { font-size: 20px; }
.logo-icon { width: 38px; height: 38px; border-radius: 11px; box-shadow: 0 7px 20px -10px rgba(37, 99, 235, .65); }
.nav-menu { gap: 3px; }
.header-nav .nav-link {
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid #DCE4F0;
  border-radius: 10px;
  color: #17233B;
  background: color-mix(in srgb, var(--color-surface) 96%, #F4F7FB);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}
.header-nav .nav-link > svg { width: 16px; height: 16px; flex: 0 0 auto; }
.header-nav .nav-link .nav-chevron { width: 14px; margin-left: 1px; transition: transform var(--transition-fast); }
.header-nav .nav-link:hover,
.header-nav .nav-link:focus-visible {
  color: var(--color-primary);
  background: #F4F7FB;
  border-color: color-mix(in srgb, var(--color-primary) 48%, #DCE4F0);
  outline: none;
}
.header-nav .nav-link.is-active,
.header-nav .nav-item.menu-expanded > .nav-link {
  color: #1D4ED8;
  background: #EFF6FF;
  border-color: #93C5FD;
}
.header-nav .nav-link[aria-expanded="true"] .nav-chevron,
.header-nav .nav-item:hover > .nav-link .nav-chevron { transform: rotate(180deg); }
.header-nav .mega-menu {
  top: calc(100% + 10px);
  width: min(760px, calc(100vw - 32px));
  padding: 16px;
  display: grid;
  gap: 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: color-mix(in srgb, var(--color-surface) 98%, #F8FAFC);
  border: 1px solid #D6E0EE;
  border-radius: 14px;
  box-shadow: 0 20px 50px -30px rgba(15, 23, 42, .42);
}
.header-nav .nav-menu > .nav-item:nth-child(2) .mega-menu { left: 0; transform: translateY(8px); }
.header-nav .nav-menu > .nav-item:nth-child(3) .mega-menu { left: 50%; transform: translateX(-50%) translateY(8px); }
.header-nav .nav-menu > .nav-item:nth-child(4) .mega-menu { left: auto; right: 0; transform: translateY(8px); }
.header-nav .nav-menu > .nav-item:nth-child(2):hover .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(2):focus-within .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(2).menu-expanded .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(4):hover .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(4):focus-within .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(4).menu-expanded .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.header-nav .nav-menu > .nav-item:nth-child(3):hover .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(3):focus-within .mega-menu,
.header-nav .nav-menu > .nav-item:nth-child(3).menu-expanded .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.header-nav .mega-col-title { margin-bottom: 8px; padding: 0 2px 8px; color: #475569; border-bottom-color: #DCE4F0; }
.header-nav .mega-list { gap: 4px; }
.header-nav .mega-list-link { min-height: 38px; padding: 9px 10px; display: flex; align-items: center; gap: 7px; border: 1px solid transparent; color: var(--color-text-secondary); font-weight: 600; }
.header-nav .mega-list-link:hover { color: var(--color-primary); background: #F4F7FB; border-color: #DCE4F0; }
.header-nav .mega-list-link.is-active { color: #1D4ED8; background: #EFF6FF; border-color: #BFDBFE; }
.header-nav .mega-popular { padding: 12px; border-left: 1px solid #DCE4F0; border-radius: 10px; background: #F8FAFC; }
.mobile-nav-auth { display: none; }
body.dark-mode .header-nav { border-bottom-color: var(--color-border); }
body.dark-mode .header-nav .nav-link { color: var(--color-text-primary); background: var(--color-surface); border-color: var(--color-border); }
body.dark-mode .header-nav .nav-link:hover,
body.dark-mode .header-nav .nav-link:focus-visible { color: #93C5FD; background: #172033; border-color: #315A97; }
body.dark-mode .header-nav .nav-link.is-active { color: #93C5FD; background: #172554; border-color: #315A97; }
body.dark-mode .header-nav .mega-col-title,
body.dark-mode .header-nav .mega-list-link { color: var(--color-text-secondary); }
body.dark-mode .header-nav .mega-list-link:hover,
body.dark-mode .header-nav .mega-list-link.is-active { color: #93C5FD; background: #172554; border-color: #315A97; }
body.dark-mode .header-nav .mega-popular { background: var(--color-bg); border-color: var(--color-border); }
.nav-actions { gap: 7px; }
.nav-actions .btn { white-space: nowrap; }
.command-trigger {
  height: 38px;
  min-width: 142px;
  padding: 0 9px 0 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font: 600 12px var(--font-body);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}
.command-trigger:hover { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 46%, var(--color-border)); box-shadow: 0 4px 14px -8px rgba(37, 99, 235, .55); }
.command-trigger svg { width: 16px; height: 16px; }
kbd {
  min-width: 22px;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  font: 600 10px var(--font-mono);
  text-align: center;
}
.mobile-nav-toggle, .mobile-nav-backdrop { display: none; }

/* Command palette and global feedback */
.command-open { overflow: hidden; }
.command-palette-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: grid;
  place-items: start center;
  padding: min(14vh, 130px) 20px 30px;
  background: rgba(2, 6, 23, .56);
  backdrop-filter: blur(10px);
}
.command-palette-panel {
  width: min(680px, 100%);
  max-height: min(650px, 76vh);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border) 75%, #fff);
  border-radius: 18px;
  box-shadow: 0 36px 100px -26px rgba(2, 6, 23, .72);
  animation: command-in 180ms cubic-bezier(.16, 1, .3, 1);
}
@keyframes command-in { from { opacity: 0; transform: translateY(-12px) scale(.985); } }
.command-search-row { display: flex; align-items: center; gap: 12px; min-height: 64px; padding: 0 18px; border-bottom: 1px solid var(--color-border); }
.command-search-row > svg { color: var(--color-primary); }
.command-search-row input { min-width: 0; flex: 1; height: 62px; border: 0; outline: 0; color: var(--color-text-primary); background: transparent; font: 600 16px var(--font-body); }
.command-hint-row { display: flex; justify-content: space-between; gap: 12px; padding: 9px 18px; background: var(--color-bg); color: var(--color-text-muted); font-size: 11px; }
.command-hint-row kbd { margin: 0 2px; }
.command-results { max-height: 510px; overflow-y: auto; padding: 8px; }
.command-result { width: 100%; display: grid; grid-template-columns: 42px minmax(0, 1fr) 18px; align-items: center; gap: 12px; padding: 10px; border: 0; border-radius: 10px; color: var(--color-text-primary); background: transparent; text-align: left; cursor: pointer; }
.command-result:hover, .command-result.active { background: var(--color-primary-light); }
.command-result-icon, .personal-tool-icon, .tool-page-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: var(--color-bg); color: var(--color-primary); }
.command-result-icon svg, .personal-tool-icon svg, .tool-page-icon svg { width: 20px; height: 20px; }
.command-result-copy { display: flex; min-width: 0; flex-direction: column; }
.command-result-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.command-result-copy small { color: var(--color-text-muted); font-size: 10px; text-transform: capitalize; }
.command-result-arrow { width: 15px; color: var(--color-text-muted); }
.command-empty { min-height: 230px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 7px; color: var(--color-text-muted); }
.command-empty svg { width: 34px; height: 34px; }
.command-empty strong { color: var(--color-text-primary); }
.feedback-fab { position: fixed; z-index: 800; right: 22px; bottom: 22px; height: 42px; padding: 0 15px; display: flex; align-items: center; gap: 7px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: #fff; background: #0f172a; box-shadow: 0 14px 34px -14px rgba(2,6,23,.7); font: 700 12px var(--font-body); cursor: pointer; }
.feedback-fab:hover { transform: translateY(-2px); }
.feedback-fab svg { width: 16px; height: 16px; }

/* Marketing hero */
.premium-hero { position: relative; min-height: 680px; overflow: hidden; padding: 94px 0 105px; background: radial-gradient(circle at 8% 20%, rgba(37,99,235,.12), transparent 34%), radial-gradient(circle at 88% 18%, rgba(6,182,212,.1), transparent 32%), linear-gradient(180deg, color-mix(in srgb, var(--color-primary-light) 55%, var(--color-bg)) 0%, var(--color-bg) 88%); }
.premium-hero::before { content: ''; position: absolute; inset: 0; opacity: .34; pointer-events: none; background-image: linear-gradient(rgba(100,116,139,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(100,116,139,.12) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.premium-hero .hero-grid { position: relative; grid-template-columns: minmax(0, 1fr) minmax(460px, .9fr); gap: clamp(50px, 7vw, 100px); }
.premium-hero .hero-content { max-width: 660px; }
.badge-trust { width: fit-content; display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid color-mix(in srgb, var(--color-primary) 20%, var(--color-border)); border-radius: 999px; background: color-mix(in srgb, var(--color-surface) 80%, transparent); color: var(--color-primary); font-size: 11px; font-weight: 800; letter-spacing: .02em; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 15%, transparent); }
.premium-hero .hero-headline { margin-top: 22px; max-width: 720px; font-size: clamp(46px, 5.3vw, 76px); line-height: .99; letter-spacing: -.055em; }
.premium-hero .hero-headline span { color: transparent; background: var(--premium-gradient); background-clip: text; -webkit-background-clip: text; }
.premium-hero .hero-subheadline { max-width: 650px; margin-top: 24px; font-size: clamp(16px, 1.4vw, 19px); line-height: 1.75; }
.hero-actions { margin-top: 30px; }
.hero-actions .btn { min-height: 50px; border-radius: 12px; }
.hero-actions .btn svg { width: 17px; }
.hero-metrics { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 30px; color: var(--color-text-secondary); font-size: 12px; }
.hero-metrics span { display: flex; align-items: center; gap: 6px; }
.hero-metrics strong { color: var(--color-text-primary); }
.hero-metrics svg { width: 15px; color: var(--color-accent); }
.hero-product-window { position: relative; width: 100%; padding: 0; border: 1px solid color-mix(in srgb, var(--color-primary) 18%, var(--color-border)); border-radius: 20px; background: var(--color-surface); box-shadow: var(--premium-shadow); transform: perspective(1200px) rotateY(-3deg) rotateX(1.5deg); }
.product-window-bar { height: 45px; padding: 0 14px; display: flex; align-items: center; gap: 6px; border-bottom: 1px solid var(--color-border); }
.product-window-bar > span { width: 8px; height: 8px; border-radius: 50%; background: #f87171; }
.product-window-bar > span:nth-child(2) { background: #fbbf24; }
.product-window-bar > span:nth-child(3) { background: #34d399; }
.product-window-bar small { margin: auto; color: var(--color-text-muted); font: 500 9px var(--font-mono); }
.product-window-body { display: grid; grid-template-columns: 52px 1fr; min-height: 365px; }
.product-side-rail { padding: 16px 10px; display: flex; flex-direction: column; align-items: center; gap: 20px; border-right: 1px solid var(--color-border); color: var(--color-text-muted); }
.product-side-rail svg { width: 18px; }
.product-side-rail svg:first-child { color: var(--color-primary); }
.product-canvas { padding: 20px; }
.mini-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12px; font-weight: 800; }
.mini-status { padding: 4px 8px; border-radius: 999px; background: var(--color-accent-light); color: var(--color-accent); font-size: 8px; }
.mini-dropzone { min-height: 172px; margin-top: 18px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; border: 1.5px dashed color-mix(in srgb, var(--color-primary) 46%, var(--color-border)); border-radius: 14px; background: color-mix(in srgb, var(--color-primary-light) 43%, var(--color-surface)); }
.mini-dropzone svg { width: 31px; color: var(--color-primary); }
.mini-dropzone strong { font-size: 12px; }
.mini-dropzone small, .mini-file-row small { color: var(--color-text-muted); font-size: 8px; }
.mini-file-row { margin-top: 13px; padding: 12px; display: grid; grid-template-columns: 32px 1fr 18px; align-items: center; gap: 10px; border: 1px solid var(--color-border); border-radius: 11px; }
.mini-file-row > svg:first-child { padding: 7px; width: 32px; height: 32px; border-radius: 8px; color: var(--color-primary); background: var(--color-primary-light); }
.mini-file-row > svg:last-child { color: var(--color-accent); }
.mini-file-row span { display: flex; flex-direction: column; }
.mini-file-row strong { font-size: 10px; }
.floating-tool { position: absolute; display: flex; align-items: center; gap: 6px; padding: 9px 11px; border: 1px solid var(--color-border); border-radius: 10px; color: var(--color-text-primary); background: color-mix(in srgb, var(--color-surface) 88%, transparent); backdrop-filter: blur(12px); box-shadow: var(--shadow-md); font-size: 10px; font-weight: 800; animation: tool-float 5s ease-in-out infinite; }
.floating-tool svg { width: 15px; }
.floating-pdf { left: -34px; top: 82px; color: #ef4444; }
.floating-image { right: -24px; top: 154px; color: #8b5cf6; animation-delay: -1.6s; }
.floating-code { left: 24px; bottom: -20px; color: #10b981; animation-delay: -3s; }
@keyframes tool-float { 50% { transform: translateY(-8px); } }

/* Search, shelves, directory, and cards */
.command-search-section { position: relative; z-index: 4; margin-top: -42px; }
.home-command-search { width: min(860px, 100%); min-height: 70px; margin: 0 auto; padding: 0 18px; display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 13px; border: 1px solid color-mix(in srgb, var(--color-primary) 20%, var(--color-border)); border-radius: 16px; color: var(--color-text-secondary); background: var(--color-surface); box-shadow: var(--premium-shadow); text-align: left; font: 600 14px var(--font-body); cursor: text; }
.home-command-search > svg { color: var(--color-primary); }
.popular-searches { margin: 14px auto 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; color: var(--color-text-muted); font-size: 11px; }
.popular-searches button { padding: 3px 8px; border: 0; border-radius: 999px; color: var(--color-text-secondary); background: transparent; font: inherit; cursor: pointer; }
.popular-searches button:hover { color: var(--color-primary); background: var(--color-primary-light); }
.recent-searches { margin: 6px auto 0; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 7px; color: var(--color-text-muted); font-size: 10px; }
.recent-searches button { padding: 4px 8px; display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-text-secondary); background: var(--color-surface); font: inherit; cursor: pointer; }
.recent-searches button:hover { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border)); }
.recent-searches svg { width: 11px; }
.personal-tools-section, .tools-directory { padding-top: 82px; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 26px; }
.section-kicker { display: block; margin-bottom: 7px; color: var(--color-primary); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.section-kicker.light { color: rgba(255,255,255,.72); }
.section-heading-row .section-title { margin: 0; text-align: left; }
.section-heading-row .section-desc { margin: 7px 0 0; text-align: left; }
.text-button { display: inline-flex; align-items: center; gap: 6px; border: 0; color: var(--color-primary); background: transparent; font: 700 12px var(--font-body); cursor: pointer; }
.text-button svg { width: 14px; }
.personal-tools-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.personal-tool-card { min-width: 0; padding: 13px; display: grid; grid-template-columns: 42px minmax(0,1fr) 18px; align-items: center; gap: 10px; border: 1px solid var(--color-border); border-radius: 13px; color: var(--color-text-primary); background: var(--color-surface); text-align: left; cursor: pointer; transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast); }
.personal-tool-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border)); box-shadow: var(--shadow-md); }
.personal-tool-card > span:nth-child(2) { min-width: 0; display: flex; flex-direction: column; }
.personal-tool-card strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.personal-tool-card small { color: var(--color-text-muted); font-size: 9px; text-transform: capitalize; }
.personal-tool-card > svg { width: 15px; color: var(--color-text-muted); }
.tools-directory { padding-bottom: 96px; scroll-margin-top: 90px; }
.directory-count { flex: 0 0 auto; padding: 6px 10px; border-radius: 999px; color: var(--color-primary); background: var(--color-primary-light); font-size: 10px; font-weight: 800; }
.tool-filter-bar { position: sticky; top: 84px; z-index: 20; padding: 10px; border: 1px solid var(--color-border); border-radius: 15px; background: color-mix(in srgb, var(--color-surface) 88%, transparent); backdrop-filter: blur(16px); box-shadow: 0 14px 30px -27px rgba(15,23,42,.5); }
.filter-tabs { overflow-x: auto; scrollbar-width: none; }
.filter-tabs::-webkit-scrollbar { display: none; }
.filter-tab { white-space: nowrap; border-radius: 8px; }
.search-wrapper { min-width: 210px; }
.tools-grid { gap: 16px; }
.tool-card { position: relative; min-height: 252px; padding: 19px; display: flex; flex-direction: column; border-radius: 15px; overflow: hidden; }
.tool-card::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--hover-glow-color, var(--color-primary)); opacity: 0; transform: scaleX(.3); transition: opacity var(--transition-base), transform var(--transition-base); }
.tool-card:hover { transform: translateY(-4px); box-shadow: 0 18px 42px -22px var(--hover-glow-color, rgba(37,99,235,.5)); }
.tool-card:hover::after { opacity: 1; transform: scaleX(1); }
.tool-card-top, .tool-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tool-card-icon { width: 46px; height: 46px; border-radius: 12px; }
.favorite-button { width: 34px; height: 34px; display: inline-grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--color-border); border-radius: 9px; color: var(--color-text-muted); background: var(--color-surface); cursor: pointer; }
.favorite-button svg { width: 16px; height: 16px; }
.favorite-button:hover, .favorite-button.active { color: #d97706; border-color: #fbbf24; background: #fffbeb; }
.favorite-button.active svg { fill: currentColor; }
body.dark-mode .favorite-button:hover, body.dark-mode .favorite-button.active { background: rgba(245,158,11,.12); }
.tool-card-category { margin-top: 17px; color: var(--color-text-muted); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.tool-card-title { margin-top: 3px; }
.tool-card-desc { margin: 7px 0 16px; }
.tool-card-footer { margin-top: auto; }
.tool-badge { max-width: calc(100% - 24px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 8px; }
.tool-card-arrow { width: 16px; color: var(--color-text-muted); transition: transform var(--transition-fast), color var(--transition-fast); }
.tool-card:hover .tool-card-arrow { color: var(--color-primary); transform: translate(2px, -2px); }
.tools-empty-state { grid-column: 1/-1; min-height: 310px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; border: 1px dashed var(--color-border); border-radius: 16px; color: var(--color-text-secondary); text-align: center; }
.tools-empty-state > svg { width: 38px; height: 38px; color: var(--color-text-muted); }
.tools-empty-state h3 { color: var(--color-text-primary); }
.features-section { padding: 94px 0; background: color-mix(in srgb, var(--color-surface) 52%, var(--color-bg)); border-block: 1px solid var(--color-border); }
.feature-card { padding: 28px; border: 1px solid var(--color-border); background: var(--color-surface); }
.stats-section { padding: 38px 0; }
.stats-grid { border: 1px solid var(--color-border); border-radius: 18px; background: var(--color-surface); }
.stat-item { padding: 24px; }
.stat-number { font-size: clamp(25px, 3vw, 36px); }
.cta-banner { margin-block: 84px; overflow: hidden; background: radial-gradient(circle at 75% 40%, rgba(6,182,212,.45), transparent 35%), var(--premium-gradient); box-shadow: 0 25px 70px -30px rgba(37,99,235,.72); }
.cta-ill svg { width: 130px; height: 130px; opacity: .7; }

/* Tool workspace */
.tool-container { padding-top: 48px; }
.tool-header { padding-bottom: 25px; }
.breadcrumb { font-size: 11px; }
.tool-title-wrapper { align-items: center; margin-top: 15px; }
.tool-heading-group, .tool-heading-actions { display: flex; align-items: center; gap: 13px; }
.tool-page-icon { width: 54px; height: 54px; border: 1px solid color-mix(in srgb, currentColor 16%, var(--color-border)); }
.tool-page-icon svg { width: 25px; height: 25px; }
.tool-category-label { color: var(--color-text-muted); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .11em; }
.tool-page-title { margin: 1px 0 0; font-size: clamp(27px, 3vw, 38px); letter-spacing: -.03em; }
.tool-favorite { width: auto; padding: 0 10px; display: inline-flex; gap: 6px; font: 700 10px var(--font-body); }
.tool-workspace { align-items: start; gap: 22px; }
.tool-interactive-area, .tool-options-panel { border-radius: 18px; box-shadow: 0 18px 45px -35px rgba(15,23,42,.48); }
.tool-interactive-area { padding: 25px; border: 1px solid var(--color-border); background: var(--color-surface); }
.upload-zone { min-height: 380px; padding: 42px 24px; border-width: 1.5px; border-radius: 16px; background: radial-gradient(circle at center, color-mix(in srgb, var(--color-primary-light) 50%, transparent), transparent 66%), var(--color-bg); }
.upload-zone:hover, .upload-zone.drag-over { transform: none; border-color: var(--color-primary); background: color-mix(in srgb, var(--color-primary-light) 55%, var(--color-surface)); box-shadow: inset 0 0 0 3px color-mix(in srgb, var(--color-primary) 8%, transparent); }
.upload-icon-shell { width: 70px; height: 70px; display: grid; place-items: center; border-radius: 20px; color: #fff; background: var(--premium-gradient); box-shadow: 0 15px 28px -14px rgba(37,99,235,.65); }
.upload-icon-shell .upload-icon { width: 32px; height: 32px; }
.upload-zone .upload-title { margin-top: 18px; font-size: 20px; }
.upload-formats { gap: 6px; }
.format-chip.subtle { color: var(--color-text-secondary); background: var(--color-surface); }
.upload-limit { margin-top: 12px; display: flex; align-items: center; justify-content: center; gap: 5px; color: var(--color-text-muted); font-size: 10px; }
.upload-limit svg { width: 13px; }
.tool-sidebar-settings { position: sticky; top: 94px; }
.tool-options-panel { border: 1px solid var(--color-border); background: var(--color-surface); }
.options-title { display: flex; flex-direction: column; gap: 2px; }
.options-title > span { display: flex; align-items: center; gap: 7px; }
.options-title svg { width: 16px; color: var(--color-primary); }
.options-title small { color: var(--color-text-muted); font-size: 9px; font-weight: 500; }
.workspace-confidence-note { margin-top: 20px; padding: 12px; display: flex; align-items: flex-start; gap: 9px; border: 1px solid var(--color-border); border-radius: 10px; color: var(--color-text-secondary); background: var(--color-bg); font-size: 9px; line-height: 1.55; }
.workspace-confidence-note > svg { width: 16px; flex: 0 0 auto; color: var(--color-primary); }
.workspace-confidence-note span { display: flex; flex-direction: column; gap: 3px; }
.workspace-confidence-note strong { color: var(--color-text-primary); }
.processing-card, .complete-card { min-height: 360px; padding: 45px 25px; border: 1px solid var(--color-border); border-radius: 16px; background: var(--color-bg); }
.processing-orbit { position: relative; width: 72px; height: 72px; margin: 0 auto 18px; display: grid; place-items: center; }
.processing-orbit .spinner { position: absolute; inset: 0; width: auto; height: auto; margin: 0; }
.processing-orbit > svg { width: 25px; color: var(--color-primary); }
.processing-stages { max-width: 530px; margin: 22px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.processing-stages span { position: relative; padding-top: 24px; color: var(--color-text-muted); font-size: 9px; font-weight: 700; text-align: center; }
.processing-stages span::before { content: ''; position: absolute; top: 9px; left: -50%; width: 100%; height: 1px; background: var(--color-border); }
.processing-stages span:first-child::before { display: none; }
.processing-stages svg { position: absolute; z-index: 2; top: 2px; left: calc(50% - 8px); width: 16px; height: 16px; padding: 3px; border-radius: 50%; background: var(--color-bg); }
.processing-stages .active { color: var(--color-primary); }
.processing-stages .active svg { color: #fff; background: var(--color-primary); }
.processing-stages .done { color: var(--color-accent); }
.processing-stages .done::before { background: var(--color-accent); }
.processing-stages .done svg { color: #fff; background: var(--color-accent); }
.file-preview-shell { border-radius: 14px; box-shadow: 0 12px 30px -26px rgba(15,23,42,.45); }

/* Premium dashboard polish */
.premium-dashboard .dashboard-grid { align-items: start; gap: 24px; }
.premium-dashboard .dashboard-sidebar { position: sticky; top: 94px; border: 1px solid var(--color-border); border-radius: 17px; background: var(--color-surface); box-shadow: 0 15px 35px -30px rgba(15,23,42,.5); }
.db-heading-row { margin-bottom: 25px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.db-heading-row .db-title { margin: 0; font-size: clamp(27px, 3vw, 38px); letter-spacing: -.03em; }
.db-heading-row p { margin-top: 5px; color: var(--color-text-secondary); font-size: 12px; }
.premium-dashboard .db-stat-card, .premium-dashboard .db-table-card, .premium-dashboard .db-chart-card { border: 1px solid var(--color-border); border-radius: 15px; background: var(--color-surface); box-shadow: 0 16px 38px -32px rgba(15,23,42,.42); }
.premium-dashboard .db-stat-card { min-height: 118px; }
.premium-dashboard .mock-chart-bar { min-width: 28px; background: var(--premium-gradient) !important; border-radius: 7px 7px 2px 2px !important; }
.db-quick-grid { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.db-quick-panel { padding: 20px; }
.db-panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.db-panel-heading h3 { font-size: 16px; }
.db-panel-heading > svg { width: 19px; color: var(--color-primary); }
.db-quick-actions { margin-top: 14px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.db-quick-actions a { min-height: 74px; padding: 10px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 7px; border: 1px solid var(--color-border); border-radius: 10px; color: var(--color-text-primary); background: var(--color-bg); font-size: 9px; font-weight: 700; text-decoration: none; text-align: center; }
.db-quick-actions a:hover { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 36%, var(--color-border)); transform: translateY(-2px); }
.db-quick-actions svg { width: 19px; }
.db-pinned-tools { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 7px; }
.db-pinned-tools p { color: var(--color-text-muted); font-size: 10px; }
.db-pinned-tools a { padding: 6px 9px; border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-text-secondary); background: var(--color-bg); font-size: 9px; font-weight: 700; text-decoration: none; }
.db-pinned-tools a:hover { color: var(--color-primary); border-color: var(--color-primary); }

.calculator-action-row { margin-top: 18px; padding-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; border-top: 1px solid var(--color-border); }
.calculator-action-row .btn { min-width: 0; justify-content: center; }
.calculator-empty-state { width: min(420px, 100%); margin: auto; padding: 24px; color: var(--color-text-secondary); border: 1px dashed var(--color-border); border-radius: 12px; background: var(--color-bg); font-size: 13px; line-height: 1.55; text-align: center; }
.code-color-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.code-color-grid label { display: grid; gap: 7px; }
.code-color-grid input[type="color"] { width: 100%; height: 40px; padding: 3px; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-surface); cursor: pointer; }
.archive-summary { width: 100%; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--color-border); color: var(--color-text-primary); background: var(--color-bg); }
.archive-summary span { color: var(--color-text-muted); font-size: 11px; }
.archive-entry-list { width: 100%; max-height: 360px; margin: 0; padding: 8px; display: grid; gap: 4px; overflow: auto; list-style: none; }
.archive-entry-list li { min-height: 46px; padding: 7px 8px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 4px 12px; border: 1px solid transparent; border-radius: 8px; color: var(--color-text-primary); background: var(--color-surface); }
.archive-entry-list li:hover { border-color: var(--color-border); background: var(--color-bg); }
.archive-entry-name { min-width: 0; overflow: hidden; font-size: 12px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.archive-entry-meta { grid-column: 1; color: var(--color-text-muted); font-size: 10px; }
.archive-extract-button { grid-column: 2; grid-row: 1 / span 2; min-height: 32px; padding: 0 10px; border: 1px solid #BFDBFE; border-radius: 7px; color: #1D4ED8; background: #EFF6FF; font: 700 10px var(--font-body); cursor: pointer; }
.archive-extract-button:hover { border-color: #60A5FA; background: #DBEAFE; }
.archive-extract-button:disabled { opacity: .65; cursor: wait; }

/* Responsive product behavior */
@media (max-width: 1320px) {
  .premium-hero .hero-grid { grid-template-columns: minmax(0, 1fr) 420px; gap: 48px; }
  .command-trigger { min-width: 38px; width: 38px; padding: 0; justify-content: center; }
  .command-trigger span, .command-trigger kbd { display: none; }
  .nav-menu .nav-item:first-child { display: none; }
  .personal-tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .header-nav { height: 66px; }
  .main-body { padding-top: 66px; }
  .mobile-nav-toggle { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--color-border); border-radius: 10px; color: var(--color-text-primary); background: var(--color-surface); cursor: pointer; }
  .mobile-nav-toggle svg { width: 19px; }
  .header-nav .nav-menu { position: fixed; top: 66px; right: 0; bottom: 0; width: min(360px, calc(100vw - 34px)); padding: 18px; display: flex !important; flex-direction: column; align-items: stretch; gap: 3px; overflow-y: auto; background: var(--color-surface); border-left: 1px solid var(--color-border); transform: translateX(100%); transition: transform var(--transition-base); box-shadow: -22px 0 65px -35px rgba(2,6,23,.52); }
  .mobile-menu-open .header-nav .nav-menu { transform: translateX(0); }
  .header-nav .nav-menu .nav-item { display: block; width: 100%; }
  .header-nav .nav-link { width: 100%; min-height: 46px; padding: 0 12px; display: flex; align-items: center; justify-content: flex-start; border-radius: 9px; }
  .header-nav .nav-link .nav-chevron { margin-left: auto; }
  .header-nav .mega-menu { position: static; left: auto !important; right: auto !important; width: 100%; max-height: 0; padding: 0; grid-template-columns: 1fr 1fr; gap: 13px; overflow: hidden; opacity: 1; visibility: visible; pointer-events: auto; border: 0; box-shadow: none; transform: none !important; transition: max-height var(--transition-base), padding var(--transition-base); }
  .header-nav .nav-item:focus-within .mega-menu, .header-nav .nav-item:hover .mega-menu, .header-nav .nav-item.menu-expanded .mega-menu { max-height: 620px; padding: 10px; border: 1px solid var(--color-border); }
  .header-nav .mega-popular { display: none; }
  .mobile-nav-auth { margin-top: 12px; padding-top: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; border-top: 1px solid var(--color-border); }
  .mobile-nav-backdrop { position: fixed; inset: 66px 0 0; z-index: -1; display: block; border: 0; background: rgba(2,6,23,.46); opacity: 0; visibility: hidden; transition: opacity var(--transition-base), visibility var(--transition-base); }
  .mobile-menu-open .mobile-nav-backdrop { opacity: 1; visibility: visible; }
  .nav-actions > .btn { display: none !important; }
  .premium-hero { min-height: auto; padding: 78px 0 96px; }
  .premium-hero .hero-grid { grid-template-columns: 1fr; }
  .premium-hero .hero-content { max-width: 740px; text-align: center; margin: 0 auto; }
  .premium-hero .badge-trust, .premium-hero .hero-actions, .premium-hero .hero-metrics { justify-content: center; margin-inline: auto; }
  .premium-hero .hero-product-window { width: min(620px, 92%); margin: 0 auto; transform: none; }
  .tool-filter-bar { top: 75px; flex-direction: column; align-items: stretch; }
  .search-wrapper { width: 100%; }
  .tool-sidebar-settings { position: static; }
  .db-quick-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding-inline: 17px; }
  .header-nav .container { padding-inline: 14px; }
  .logo-text { display: block; font-size: 17px; }
  .logo-text .brand-suffix { display: none; }
  .nav-actions .lang-dropdown { display: none; }
  .command-trigger { display: inline-flex; }
  .feedback-fab { right: 14px; bottom: 14px; width: 42px; padding: 0; justify-content: center; }
  .feedback-fab span { display: none; }
  .premium-hero { padding: 62px 0 90px; }
  .premium-hero .hero-headline { font-size: clamp(38px, 12vw, 54px); }
  .premium-hero .hero-subheadline { font-size: 14px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-metrics { gap: 8px 14px; }
  .hero-product-window { border-radius: 15px; }
  .product-window-body { grid-template-columns: 40px 1fr; min-height: 290px; }
  .product-side-rail { padding-inline: 7px; }
  .product-canvas { padding: 14px; }
  .mini-dropzone { min-height: 135px; }
  .floating-tool { display: none; }
  .home-command-search { min-height: 60px; border-radius: 14px; }
  .home-command-search kbd { display: none; }
  .personal-tools-section, .tools-directory { padding-top: 65px; }
  .section-heading-row { align-items: flex-start; flex-direction: column; gap: 12px; }
  .personal-tools-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .tool-card { min-height: 220px; }
  .features-section { padding: 70px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { margin-block: 64px; padding: 32px 25px; }
  .cta-ill { display: none; }
  .tool-container { padding-top: 30px; }
  .tool-title-wrapper, .tool-heading-actions { width: 100%; align-items: flex-start; }
  .tool-title-wrapper { gap: 15px; }
  .tool-heading-actions { justify-content: space-between; }
  .tool-favorite span { display: none; }
  .processing-badge { font-size: 8px; }
  .tool-interactive-area { padding: 13px; }
  .upload-zone { min-height: 310px; padding: 30px 14px; }
  .processing-stages span { font-size: 0; }
  .processing-stages span::after { content: attr(data-stage); font-size: 8px; text-transform: capitalize; }
  .complete-card > div:last-child { flex-direction: column; }
  .complete-card .btn { width: 100%; }
  .db-heading-row { align-items: flex-start; flex-direction: column; }
  .db-heading-row .btn { width: 100%; }
  .db-quick-actions { grid-template-columns: 1fr; }
  .db-quick-actions a { min-height: 48px; flex-direction: row; }
}

@media (max-width: 380px) {
  .logo-icon { width: 34px; height: 34px; }
  .nav-actions { margin-left: auto; }
  .btn-icon-nav { width: 36px; height: 36px; }
  .command-trigger { width: 36px; height: 36px; }
  .premium-hero .hero-headline { font-size: 38px; }
  .badge-trust { font-size: 9px; }
  .hero-metrics { display: grid; grid-template-columns: 1fr; justify-items: center; }
  .home-command-search { grid-template-columns: 20px 1fr; padding-inline: 14px; font-size: 11px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: 0; border-bottom: 1px solid var(--color-border); }
  .stat-item:last-child { border-bottom: 0; }
  .tool-page-icon { width: 45px; height: 45px; }
  .tool-page-title { font-size: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  .floating-tool { animation: none; }
  .command-palette-panel { animation: none; }
  .tool-card:hover, .personal-tool-card:hover, .feedback-fab:hover { transform: none; }
}

/* ==========================================================================
   CROP IMAGE — ROUTE-SCOPED PROFESSIONAL MANUAL EDITOR
   ========================================================================== */
.crop-image-page {
  max-width: 1500px;
}

.crop-editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(310px, 3fr);
  gap: 20px;
  align-items: start;
}

.crop-editor-main,
.crop-options-panel,
.crop-result-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}

.crop-editor-main {
  min-width: 0;
  overflow: hidden;
}

.crop-editor-toolbar {
  min-height: 58px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: color-mix(in srgb, var(--color-surface) 92%, var(--color-primary) 8%);
  border-bottom: 1px solid var(--color-border);
}

.crop-toolbar-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

.crop-tool-btn,
.crop-panel-icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.crop-tool-btn:hover,
.crop-tool-btn:focus-visible,
.crop-panel-icon-btn:hover,
.crop-panel-icon-btn:focus-visible {
  color: var(--color-primary);
  background: var(--color-surface);
  border-color: var(--color-border);
  outline: none;
}

.crop-tool-btn svg,
.crop-panel-icon-btn svg {
  width: 18px;
  height: 18px;
}

.crop-tool-text {
  width: auto;
  min-width: 42px;
  padding-inline: 10px;
  font-size: 12px;
  font-weight: 700;
}

.crop-zoom-label {
  min-width: 47px;
  text-align: center;
  color: var(--color-text-primary);
  font: 700 12px/1 var(--font-mono);
}

.crop-canvas-stage {
  position: relative;
  height: clamp(480px, 67vh, 720px);
  min-height: 480px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background-color: #101827;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 24px 24px;
  outline: none;
}

.crop-canvas-stage:focus-visible {
  box-shadow: inset 0 0 0 3px rgba(37, 99, 235, .6);
}

.crop-canvas-stage.is-dragover {
  box-shadow: inset 0 0 0 3px #60a5fa;
}

.crop-canvas-stage.is-panning {
  cursor: grabbing;
}

.crop-upload-state {
  width: min(470px, calc(100% - 32px));
  padding: 48px 30px;
  text-align: center;
  color: #cbd5e1;
  border: 1px dashed rgba(148, 163, 184, .48);
  border-radius: 16px;
  background: rgba(15, 23, 42, .72);
}

.crop-upload-state .upload-icon-shell {
  margin: 0 auto 18px;
  color: #93c5fd;
  background: rgba(37, 99, 235, .2);
}

.crop-upload-state h2 {
  margin: 0 0 8px;
  color: #f8fafc;
  font: 700 22px/1.25 var(--font-header);
}

.crop-upload-state p {
  margin: 0 auto 22px;
  max-width: 390px;
  font-size: 13px;
  line-height: 1.6;
}

.crop-upload-state .crop-upload-hint {
  margin: 14px 0 0;
  color: #94a3b8;
  font-size: 11px;
}

.crop-image-mount {
  position: absolute;
  inset: 0;
}

.crop-image-mount > img {
  display: block;
  max-width: 100%;
}

.crop-library-error {
  position: absolute;
  z-index: 20;
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 12px 14px;
  border: 1px solid rgba(239, 68, 68, .55);
  border-radius: 10px;
  background: rgba(127, 29, 29, .92);
  color: #fff;
  font-size: 13px;
  text-align: center;
}

.crop-canvas-footer {
  min-height: 48px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  font-size: 11px;
}

.crop-shortcuts {
  text-align: right;
  color: var(--color-text-muted, var(--color-text-secondary));
}

/* Cropper.js skin: eight visible handles, clear crop boundary and rule-of-thirds grid. */
.crop-image-page .cropper-container {
  width: 100% !important;
  height: 100% !important;
  background: transparent;
}

.crop-image-page .cropper-modal {
  background: #020617;
  opacity: .7;
}

.crop-image-page .cropper-view-box {
  outline: 2px solid #3b82f6;
  outline-color: #3b82f6;
  box-shadow: 0 0 0 1px rgba(255,255,255,.45);
}

.crop-image-page .cropper-line {
  background-color: #3b82f6;
  opacity: 1;
}

.crop-image-page .cropper-point {
  width: 12px;
  height: 12px;
  background-color: #2563eb;
  border: 2px solid #fff;
  border-radius: 3px;
  opacity: 1;
  box-shadow: 0 1px 4px rgba(0,0,0,.5);
}

.crop-image-page .cropper-point.point-se {
  width: 12px;
  height: 12px;
}

.crop-image-page .cropper-dashed {
  border-color: rgba(255,255,255,.8);
  opacity: .75;
}

.crop-options-panel {
  position: sticky;
  top: 92px;
  padding: 20px;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.crop-panel-heading,
.crop-result-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.crop-panel-heading h2,
.crop-result-heading h2 {
  margin: 2px 0 0;
  color: var(--color-text-primary);
  font: 750 20px/1.25 var(--font-header);
}

.crop-source-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin: 18px 0;
}

.crop-source-stats > div,
.crop-result-meta > div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
}

.crop-source-stats span,
.crop-result-meta span {
  display: block;
  margin-bottom: 4px;
  color: var(--color-text-secondary);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.crop-source-stats strong,
.crop-result-meta strong {
  display: block;
  overflow: hidden;
  color: var(--color-text-primary);
  font: 700 11px/1.3 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.crop-fieldset {
  margin: 0;
  padding: 15px 0;
  border: 0;
  border-top: 1px solid var(--color-border);
}

.crop-fieldset legend {
  width: 100%;
  margin-bottom: 11px;
  padding: 0;
  color: var(--color-text-primary);
  font-size: 12px;
  font-weight: 750;
}

.crop-fieldset legend span {
  float: right;
  color: var(--color-text-secondary);
  font-size: 9px;
  font-weight: 500;
}

.crop-number-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.crop-number-grid label,
.crop-custom-ratio label,
.crop-select-label {
  color: var(--color-text-secondary);
  font-size: 10px;
  font-weight: 700;
}

.crop-number-grid input,
.crop-custom-ratio input {
  width: 100%;
  height: 40px;
  margin-top: 5px;
  padding: 0 10px;
  color: var(--color-text-primary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: 650 12px/1 var(--font-mono);
}

.crop-number-grid input:focus,
.crop-custom-ratio input:focus {
  border-color: var(--color-primary);
  outline: 3px solid rgba(37, 99, 235, .14);
}

.crop-number-grid input[aria-invalid="true"] {
  border-color: #ef4444;
}

.crop-field-error {
  min-height: 15px;
  margin: 7px 0 0;
  color: #dc2626;
  font-size: 10px;
  line-height: 1.35;
}

.crop-select {
  width: 100%;
  height: 42px;
  margin-top: 5px;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
}

.crop-custom-ratio {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 9px;
  margin-top: 10px;
}

.crop-custom-ratio span {
  padding-bottom: 11px;
  color: var(--color-text-secondary);
}

.crop-output-option {
  margin-top: 13px;
}

.crop-output-option > label:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 7px;
  color: var(--color-text-secondary);
  font-size: 10px;
  font-weight: 700;
}

.crop-output-option input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
}

.crop-color-row {
  display: grid;
  grid-template-columns: 1fr 42px;
  align-items: end;
  gap: 8px;
}

.crop-color-row input[type="color"] {
  width: 42px;
  height: 42px;
  padding: 3px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
}

.crop-primary-action {
  width: 100%;
  min-height: 50px;
  margin-top: 3px;
}

.crop-primary-action:disabled {
  cursor: not-allowed;
  opacity: .52;
}

.crop-mobile-primary-actions,
.crop-mobile-result-action {
  display: none;
}

.crop-action-note {
  margin: 9px 0 0;
  color: var(--color-text-secondary);
  font-size: 9px;
  line-height: 1.45;
  text-align: center;
}

.spinner-inline {
  width: 17px;
  height: 17px;
  border-width: 2px;
}

.crop-result-panel {
  padding: 28px;
}

.crop-result-check {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: #16a34a;
  border-radius: 50%;
}

.crop-result-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.crop-result-compare figure {
  min-width: 0;
  margin: 0;
}

.crop-result-image-wrap {
  height: min(48vh, 460px);
  min-height: 280px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 13px;
  background: #0f172a;
}

.crop-result-image-wrap.checkerboard {
  background-color: #e5e7eb;
  background-image:
    linear-gradient(45deg, #cbd5e1 25%, transparent 25%),
    linear-gradient(-45deg, #cbd5e1 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #cbd5e1 75%),
    linear-gradient(-45deg, transparent 75%, #cbd5e1 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.crop-result-image-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.crop-result-compare figcaption {
  margin-top: 8px;
  color: var(--color-text-secondary);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}

.crop-result-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.crop-result-meta strong {
  font-size: 13px;
}

.crop-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.crop-support-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.crop-support-section h3 {
  margin-bottom: 24px;
  font-size: 22px;
  font-weight: 700;
}

body.dark-mode .crop-editor-toolbar {
  background: color-mix(in srgb, var(--color-surface) 90%, #2563eb 10%);
}

body.dark-mode .crop-result-image-wrap.checkerboard {
  background-color: #334155;
  background-image:
    linear-gradient(45deg, #475569 25%, transparent 25%),
    linear-gradient(-45deg, #475569 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #475569 75%),
    linear-gradient(-45deg, transparent 75%, #475569 75%);
}

@media (max-width: 1050px) {
  .crop-editor-grid {
    grid-template-columns: 1fr;
  }

  .crop-options-panel {
    position: static;
    max-height: none;
  }

  .crop-source-stats,
  .crop-result-meta {
    grid-template-columns: repeat(3, 1fr);
  }

  .crop-fieldset {
    max-width: none;
  }
}

@media (max-width: 760px), (orientation: landscape) and (max-height: 600px) and (max-width: 1024px) {
  .crop-mobile-primary-actions {
    display: grid;
    gap: 7px;
    padding: 12px;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .crop-mobile-primary-actions .btn,
  .crop-mobile-result-action .btn {
    width: 100%;
    min-height: 48px;
  }

  .crop-mobile-primary-actions > span {
    color: var(--color-text-secondary);
    font-size: 10px;
    line-height: 1.4;
    text-align: center;
  }

  .crop-mobile-result-action {
    display: block;
    position: sticky;
    z-index: var(--z-sticky, 20);
    top: calc(66px + env(safe-area-inset-top));
    margin: 14px 0 18px;
    padding: 8px;
    background: color-mix(in srgb, var(--color-surface) 94%, transparent);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, .14);
    backdrop-filter: blur(10px);
  }

  .crop-result-actions #crop-download-button {
    display: none;
  }
}

@media (max-width: 640px) {

  .crop-editor-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 4px;
    overflow-x: auto;
  }

  .crop-toolbar-group {
    justify-content: center;
  }

  .crop-tool-btn {
    width: 44px;
    height: 44px;
  }

  .crop-tool-text {
    width: auto;
  }

  .crop-canvas-stage {
    height: 60vh;
    min-height: 390px;
  }

  .crop-canvas-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .crop-shortcuts {
    display: none;
  }

  .crop-options-panel,
  .crop-result-panel {
    padding: 16px;
    border-radius: 14px;
  }

  .crop-source-stats {
    grid-template-columns: 1fr 1fr;
  }

  .crop-source-stats > div:last-child {
    grid-column: 1 / -1;
  }

  .crop-number-grid input,
  .crop-custom-ratio input,
  .crop-select {
    min-height: 44px;
  }

  .crop-primary-action {
    position: sticky;
    z-index: 3;
    bottom: 10px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, .26);
  }

  .crop-result-compare {
    grid-template-columns: 1fr;
  }

  .crop-result-image-wrap {
    min-height: 230px;
    height: 38vh;
  }

  .crop-result-meta {
    grid-template-columns: 1fr;
  }

  .crop-result-actions {
    flex-direction: column;
  }

  .crop-result-actions .btn {
    width: 100%;
  }

}

@media (max-width: 380px) {
  .crop-toolbar-group {
    justify-content: flex-start;
  }

  .crop-number-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   UNIVERSAL PREMIUM TOOL EDITOR — SHARED BY ALL EXISTING TOOL ROUTES
   ========================================================================== */
.premium-editor-workspace,
.premium-editor-workspace.full {
  grid-template-columns: minmax(0, 7fr) minmax(300px, 3fr);
  gap: 20px;
}

.premium-editor-workspace .tool-interactive-area {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.premium-editor-toolbar {
  min-height: 58px;
  margin: -1px -1px 18px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  position: sticky;
  top: 72px;
  z-index: 12;
  color: var(--color-text-secondary);
  background: color-mix(in srgb, var(--color-surface) 91%, var(--color-primary) 9%);
  border: 1px solid var(--color-border);
  border-radius: 18px 18px 0 0;
  backdrop-filter: blur(18px);
}

.premium-toolbar-group {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
}

.premium-toolbar-separator {
  width: 1px;
  height: 24px;
  margin: 0 3px;
  background: var(--color-border);
}

.premium-command {
  min-width: 40px;
  min-height: 40px;
  padding: 7px 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--color-text-secondary);
  background: transparent;
  font: 700 11px/1 var(--font-header);
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease, transform .16s ease;
}

.premium-command svg {
  width: 17px;
  height: 17px;
}

.premium-command:hover:not(:disabled),
.premium-command:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-border);
  background: var(--color-surface);
  outline: none;
  transform: translateY(-1px);
}

.premium-command:disabled {
  cursor: not-allowed;
  opacity: .38;
}

.premium-editor-workspace .tool-sidebar-settings {
  position: sticky;
  top: 92px;
}

.premium-editor-workspace .tool-options-panel {
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.premium-live-stats {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.premium-stats-heading {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  color: var(--color-text-primary);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.premium-stats-heading svg {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
}

.premium-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.premium-stats-grid > div {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-bg);
}

.premium-stats-grid span,
.premium-result-stats span {
  display: block;
  margin-bottom: 4px;
  color: var(--color-text-secondary);
  font-size: 8px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.premium-stats-grid strong {
  display: block;
  overflow: hidden;
  color: var(--color-text-primary);
  font: 700 10px/1.25 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.premium-trend-chart {
  margin-top: 9px;
  padding: 9px;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-bg);
}

.premium-trend-chart span {
  display: block;
  margin-bottom: 4px;
  color: var(--color-text-secondary);
  font-size: 8px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.premium-trend-chart svg {
  width: 100%;
  height: 48px;
  overflow: visible;
}

.premium-formula-reference {
  margin-top: 16px;
  padding: 13px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-primary-light) 45%, var(--color-surface));
}

.premium-formula-reference > div {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-primary);
  font-size: 11px;
}

.premium-formula-reference svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

.premium-formula-reference p {
  margin: 7px 0 0;
  color: var(--color-text-secondary);
  font-size: 10px;
  line-height: 1.55;
}

.keyword-density-list {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.keyword-density-list span {
  padding: 5px 8px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 10px;
}

.json-editor-result,
.regex-editor-result,
.diff-editor-result,
.markdown-split-editor {
  width: 100%;
  min-height: 390px;
  text-align: left;
}

.json-result-header {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.json-result-header h5,
.markdown-split-editor h5 {
  margin: 0;
  color: var(--color-text-primary);
  font-size: 12px;
  font-weight: 800;
}

.json-validation-badge {
  padding: 5px 8px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 9px;
  font-weight: 800;
}

.json-validation-badge.valid {
  color: #15803d;
  border-color: rgba(22,163,74,.35);
  background: rgba(22,163,74,.1);
}

.json-validation-badge.invalid {
  color: #dc2626;
  border-color: rgba(220,38,38,.35);
  background: rgba(220,38,38,.1);
}

.json-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 350px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 11px;
}

#generated-json-code,
.json-tree-view {
  max-height: 500px;
  margin: 0;
  padding: 15px;
  overflow: auto;
  color: var(--color-text-primary);
  background: var(--color-bg);
  font: 11px/1.65 var(--font-mono);
}

#generated-json-code {
  border-right: 1px solid var(--color-border);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.json-key { color: #2563eb; }
.json-string { color: #15803d; }
.json-number { color: #c2410c; }
.json-boolean { color: #7c3aed; }
.json-null { color: #64748b; }

.json-tree-branch > summary {
  min-height: 26px;
  display: flex;
  align-items: center;
  color: var(--color-primary);
  font-weight: 750;
  cursor: pointer;
}

.json-tree-branch > div {
  padding-left: 14px;
  border-left: 1px solid var(--color-border);
}

.json-tree-leaf {
  min-height: 25px;
  display: flex;
  gap: 7px;
  align-items: center;
}

.json-tree-leaf strong {
  color: #2563eb;
}

.regex-highlighted-subject {
  min-height: 170px;
  max-height: 320px;
  padding: 15px;
  overflow: auto;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 12px/1.65 var(--font-mono);
}

.regex-highlighted-subject mark {
  padding: 1px 2px;
  color: inherit;
  background: rgba(250,204,21,.48);
  border-bottom: 2px solid #eab308;
}

.regex-match-groups {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 7px;
}

.regex-match-groups > div {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.regex-match-groups strong,
.regex-match-groups span,
.regex-match-groups small {
  display: block;
}

.regex-match-groups span {
  margin-top: 3px;
  overflow: hidden;
  color: var(--color-text-primary);
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 11px/1.4 var(--font-mono);
}

.regex-match-groups small {
  margin-top: 4px;
  color: var(--color-text-secondary);
  font-size: 9px;
}

.diff-side-by-side,
.markdown-split-editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.diff-side-by-side > section,
.markdown-split-editor > section {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
}

.diff-side-by-side > section > strong,
.markdown-split-editor h5 {
  display: block;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
}

.diff-lines {
  max-height: 440px;
  overflow: auto;
  scrollbar-width: thin;
}

.diff-lines > div {
  min-height: 25px;
  padding: 4px 8px;
  color: var(--color-text-secondary);
  white-space: pre;
  font: 10px/1.6 var(--font-mono);
}

.diff-lines .is-removed {
  color: #b91c1c;
  background: rgba(239,68,68,.12);
}

.diff-lines .is-added {
  color: #15803d;
  background: rgba(22,163,74,.12);
}

#markdown-source-preview,
.markdown-render-preview {
  min-height: 350px;
  max-height: 500px;
  margin: 0;
  padding: 15px;
  overflow: auto;
  color: var(--color-text-primary);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 11px/1.65 var(--font-mono);
}

.markdown-render-preview {
  white-space: normal;
  font-family: var(--font-body);
}

.markdown-render-preview h1,
.markdown-render-preview h2 {
  margin: 0 0 12px;
}

.markdown-render-preview code {
  padding: 2px 4px;
  border-radius: 4px;
  background: var(--color-surface-elevated);
}

.markdown-list-item {
  padding-left: 8px;
}

.premium-editor-workspace #generator-preview-mount {
  min-height: 500px;
  padding: 28px;
  overflow: auto;
  align-items: stretch;
  border: 0;
  border-radius: 0 0 16px 16px;
  background:
    linear-gradient(rgba(148,163,184,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.06) 1px, transparent 1px),
    var(--color-bg);
  background-size: 24px 24px;
}

.premium-editor-workspace #tool-queue-mount {
  padding: 0 16px 18px;
}

.premium-editor-workspace .file-queue {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.premium-editor-workspace .file-card {
  min-height: 74px;
  touch-action: manipulation;
}

.premium-editor-workspace .file-card:focus-visible {
  outline: 3px solid rgba(37,99,235,.28);
  outline-offset: 2px;
}

.image-pan-surface {
  width: 100%;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  cursor: grab;
  touch-action: none;
  outline: none;
  background:
    linear-gradient(45deg, rgba(148,163,184,.12) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(148,163,184,.12) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(148,163,184,.12) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(148,163,184,.12) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.image-pan-surface.is-panning {
  cursor: grabbing;
}

.image-pan-surface:focus-visible {
  box-shadow: inset 0 0 0 3px rgba(37,99,235,.5);
}

.image-pan-surface .uploaded-image-preview {
  user-select: none;
  pointer-events: none;
  will-change: transform;
}

.preview-zoom-output {
  min-width: 46px;
  align-self: center;
  color: var(--color-text-primary);
  font: 700 10px/1 var(--font-mono);
  text-align: center;
}

.pdf-canvas-wrap {
  width: 100%;
  min-height: 420px;
  max-height: 600px;
  display: grid;
  place-items: start center;
  overflow: auto;
  padding: 24px;
  outline: none;
  background: #334155;
}

.pdf-canvas-wrap:focus-visible {
  box-shadow: inset 0 0 0 3px #60a5fa;
}

.pdf-canvas-wrap canvas {
  max-width: none;
  background: #fff;
  box-shadow: 0 16px 38px rgba(2,6,23,.36);
}

.pdf-thumbnail-strip {
  width: 100%;
  padding: 12px 4px 4px;
  display: flex;
  gap: 9px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.pdf-thumbnail-button {
  width: 84px;
  min-width: 84px;
  padding: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  scroll-snap-align: start;
  color: var(--color-text-secondary);
  border: 2px solid transparent;
  border-radius: 8px;
  background: var(--color-bg);
  font-size: 9px;
  cursor: pointer;
}

.pdf-thumbnail-button canvas {
  display: block;
  max-width: 72px;
  height: 88px;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 4px 10px rgba(15,23,42,.18);
}

.pdf-thumbnail-button.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.premium-result-preview {
  width: 100%;
  min-height: 240px;
  max-height: 520px;
  margin: 22px 0 16px;
  display: grid;
  place-items: center;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-bg);
}

.premium-result-preview:empty {
  display: none;
}

.premium-result-preview img {
  display: block;
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
}

.premium-output-compare {
  width: 100%;
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.premium-output-compare > figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background:
    linear-gradient(45deg, rgba(148,163,184,.14) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(148,163,184,.14) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(148,163,184,.14) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(148,163,184,.14) 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

.premium-output-compare img {
  width: 100%;
  height: 360px;
  object-fit: contain;
}

.premium-output-compare figcaption {
  padding: 8px;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-size: 10px;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.premium-output-compare.pdf iframe {
  height: 450px;
}

.premium-result-preview iframe {
  width: 100%;
  height: 500px;
  border: 0;
}

.premium-result-preview audio {
  width: min(520px, 90%);
}

.premium-result-text {
  width: 100%;
  max-height: 500px;
  margin: 0;
  padding: 18px;
  overflow: auto;
  color: var(--color-text-primary);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  text-align: left;
  font: 12px/1.6 var(--font-mono);
}

.premium-result-file {
  padding: 36px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  color: var(--color-text-secondary);
}

.premium-result-file svg {
  width: 54px;
  height: 54px;
  color: var(--color-primary);
}

.premium-result-file strong {
  color: var(--color-text-primary);
}

.premium-result-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin: 18px 0;
}

.premium-result-stats > div {
  min-width: 0;
  padding: 11px;
  text-align: left;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
}

.premium-result-stats strong {
  display: block;
  color: var(--color-text-primary);
  font: 750 12px/1.3 var(--font-mono);
}

.premium-result-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
}

.premium-mobile-result-action {
  display: none;
}

@media (max-width: 760px), (orientation: landscape) and (max-height: 600px) and (max-width: 1024px) {
  .premium-mobile-result-action {
    display: block;
    position: sticky;
    z-index: var(--z-sticky, 20);
    top: calc(66px + env(safe-area-inset-top));
    margin: 0 0 18px;
    padding: 8px;
    background: color-mix(in srgb, var(--color-surface) 94%, transparent);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, .14);
    backdrop-filter: blur(10px);
  }

  .premium-mobile-result-action .btn {
    width: 100%;
    min-height: 48px;
  }

  .premium-result-actions #btn-download-result {
    display: none;
  }
}

.premium-session-panel {
  margin-top: 22px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: minmax(180px, .3fr) 1fr;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.premium-session-panel h3 {
  margin: 3px 0 0;
  color: var(--color-text-primary);
  font-size: 16px;
}

.premium-session-history {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 11px;
}

.premium-session-item {
  min-width: 0;
  padding: 9px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-bg);
}

.premium-session-item svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  color: #16a34a;
}

.premium-session-item span,
.premium-session-item strong,
.premium-session-item small {
  min-width: 0;
  display: block;
}

.premium-session-item strong {
  overflow: hidden;
  color: var(--color-text-primary);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.premium-session-item small {
  margin-top: 2px;
  color: var(--color-text-secondary);
}

.premium-editor-workspace.is-focused-editor {
  position: fixed;
  z-index: 1200;
  inset: 0;
  padding: 14px;
  grid-template-columns: minmax(0, 7fr) minmax(300px, 3fr);
  overflow: auto;
  background: var(--color-bg);
}

.premium-editor-workspace.is-focused-editor .premium-editor-toolbar {
  top: 0;
}

.premium-editor-workspace.is-focused-editor .tool-sidebar-settings {
  top: 0;
}

.premium-editor-focus-open {
  overflow: hidden;
}

body.dark-mode .premium-editor-toolbar {
  background: color-mix(in srgb, var(--color-surface) 88%, #2563eb 12%);
}

@media (max-width: 1050px) {
  .premium-editor-workspace,
  .premium-editor-workspace.full,
  .premium-editor-workspace.is-focused-editor {
    grid-template-columns: 1fr;
  }

  .premium-editor-workspace .tool-sidebar-settings {
    position: static;
  }

  .premium-editor-workspace .tool-options-panel {
    max-height: none;
  }

  .premium-session-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .premium-editor-workspace,
  .premium-editor-workspace.full,
  .premium-editor-workspace > *,
  .premium-editor-workspace .tool-sidebar-settings,
  .premium-editor-workspace .tool-options-panel {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .premium-editor-workspace .tool-interactive-area {
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
    border-radius: 14px;
  }

  .premium-editor-toolbar {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    min-height: 0;
    top: 72px;
    margin-bottom: 12px;
    padding: 6px;
    align-items: stretch;
    flex-direction: column;
    overflow-x: hidden;
    border-radius: 14px 14px 0 0;
  }

  .premium-toolbar-group {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .premium-editor-workspace .tool-options-panel input[type="file"] {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .premium-command {
    min-width: 44px;
    min-height: 44px;
    padding: 8px;
  }

  .premium-command span {
    display: none;
  }

  .premium-editor-workspace #generator-preview-mount {
    min-height: 390px;
    padding: 15px;
  }

  .premium-editor-workspace #tool-queue-mount {
    padding-inline: 10px;
  }

  .premium-editor-workspace .file-queue {
    grid-template-columns: 1fr;
  }

  .image-pan-surface {
    min-height: 320px;
  }

  .preview-control-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
  }

  .pdf-canvas-wrap {
    min-height: 340px;
    padding: 12px;
  }

  .premium-result-stats {
    grid-template-columns: 1fr 1fr;
  }

  .premium-output-compare {
    grid-template-columns: 1fr;
    padding: 9px;
  }

  .premium-output-compare img {
    height: 280px;
  }

  .premium-result-actions {
    flex-direction: column;
  }

  .premium-result-actions .btn {
    width: 100%;
  }

  .premium-session-history {
    grid-template-columns: 1fr;
  }

  .json-result-grid,
  .diff-side-by-side,
  .markdown-split-editor {
    grid-template-columns: 1fr;
  }

  #generated-json-code {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
}

@media (prefers-reduced-motion: reduce) {
  .premium-command,
  .image-pan-surface .uploaded-image-preview {
    transition: none;
  }
}

/* Phase 1 late overrides keep the studio shell authoritative over legacy layout rules. */
.studio-page-selection {
  margin: 0 0 16px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.studio-page-selection legend,
.studio-page-selection > label {
  color: var(--color-text-primary);
  font-size: 12px;
  font-weight: 800;
}

.studio-page-selection > label {
  display: block;
  margin: 4px 0 7px;
}

.studio-page-selection small {
  display: block;
  margin-top: 8px;
  color: var(--color-text-secondary);
  font-size: 10px;
  line-height: 1.45;
}

.studio-page-selection-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 7px;
}

.studio-page-selection-presets button {
  min-height: 34px;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 800;
}

.pdf-thumbnail-button.selected {
  border-color: var(--color-success, #10b981) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .18) !important;
}

.pdf-thumbnail-button.dragging {
  opacity: .45;
}

.preview-selection-output {
  margin-left: auto;
  padding: 5px 8px;
  color: var(--color-primary);
  background: rgba(37, 99, 235, .08);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.phase-one-studio-frame > .tool-workspace,
.phase-one-studio-frame > .crop-editor-grid {
  min-width: 0;
  margin-top: 0;
}

@media (max-width: 760px) {
  .phase-one-studio-page .tool-sidebar-settings,
  .phase-one-studio-page .crop-options-panel {
    position: fixed !important;
    z-index: 1002 !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: auto !important;
    width: min(92vw, 390px) !important;
    max-height: 100dvh !important;
    transform: translateX(105%) !important;
  }

  .phase-one-studio-page.studio-settings-open .tool-sidebar-settings,
  .phase-one-studio-page.studio-settings-open .crop-options-panel {
    transform: translateX(0) !important;
  }
}
/* Advanced Cutout Studio */
.cutout-studio {
  --cutout-bg: #f8fafc;
  --cutout-panel: #ffffff;
  --cutout-border: rgba(15, 23, 42, 0.12);
  background: var(--cutout-bg);
  border: 1px solid var(--cutout-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.dark-mode .cutout-studio {
  --cutout-bg: #0f172a;
  --cutout-panel: #111827;
  --cutout-border: rgba(148, 163, 184, 0.22);
}

.cutout-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  background: var(--cutout-panel);
  border-bottom: 1px solid var(--cutout-border);
}

.cutout-kicker {
  display: block;
  font-size: 11px;
  color: var(--color-primary);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.cutout-toolbar,
.cutout-quick-actions,
.cutout-zoom,
.cutout-grid,
.cutout-image-tray,
.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cutout-tab,
.cutout-download,
.cutout-quick-actions button,
.cutout-zoom button,
.cutout-grid button,
.cutout-image-tray button,
.layer-list button {
  border: 1px solid var(--cutout-border);
  background: var(--cutout-panel);
  color: var(--color-text-primary);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

.cutout-tab.active,
.cutout-grid button.active,
.layer-list button.active,
.effect-grid button.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.09);
}

.cutout-download {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.cutout-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 30%);
  min-height: 680px;
}

.cutout-canvas-pane {
  min-width: 0;
  padding: 14px;
}

.cutout-canvas-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.cutout-quick-actions button {
  font-size: 10px;
  padding: 7px 9px;
}

.cutout-stage-wrap {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: auto;
  border-radius: 12px;
  background:
    linear-gradient(45deg, rgba(148, 163, 184, 0.18) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(148, 163, 184, 0.18) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(148, 163, 184, 0.18) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(148, 163, 184, 0.18) 75%);
  background-size: 28px 28px;
  background-position: 0 0, 0 14px, 14px -14px, -14px 0;
}

#cutout-stage {
  max-width: 100%;
  max-height: 76vh;
  background: transparent;
  cursor: crosshair;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
}

#cutout-hold-original {
  position: absolute;
  right: 14px;
  bottom: 14px;
  border: 0;
  border-radius: 999px;
  padding: 9px 13px;
  color: white;
  background: rgba(15, 23, 42, 0.76);
  cursor: pointer;
}

.cutout-crop-box {
  position: absolute;
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.38);
  cursor: move;
  pointer-events: auto;
  touch-action: none;
}

.cutout-crop-box span {
  width: 10px;
  height: 10px;
  position: absolute;
  border-radius: 50%;
  background: var(--color-primary);
}

.cutout-crop-box span[data-crop-handle="nw"] { left: -6px; top: -6px; cursor: nwse-resize; }
.cutout-crop-box span[data-crop-handle="n"] { left: 50%; top: -6px; transform: translateX(-50%); cursor: ns-resize; }
.cutout-crop-box span[data-crop-handle="ne"] { right: -6px; top: -6px; cursor: nesw-resize; }
.cutout-crop-box span[data-crop-handle="e"] { right: -6px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.cutout-crop-box span[data-crop-handle="se"] { right: -6px; bottom: -6px; cursor: nwse-resize; }
.cutout-crop-box span[data-crop-handle="s"] { left: 50%; bottom: -6px; transform: translateX(-50%); cursor: ns-resize; }
.cutout-crop-box span[data-crop-handle="sw"] { left: -6px; bottom: -6px; cursor: nesw-resize; }
.cutout-crop-box span[data-crop-handle="w"] { left: -6px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }

.cutout-panel {
  background: var(--cutout-panel);
  border-left: 1px solid var(--cutout-border);
  padding: 16px;
  overflow: auto;
}

.cutout-panel h3,
.cutout-panel h4 {
  margin: 0 0 12px;
  font-family: var(--font-header);
}

.cutout-panel label {
  display: grid;
  gap: 6px;
  margin: 10px 0;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-text-secondary);
}

.cutout-panel input,
.cutout-panel select {
  width: 100%;
  border: 1px solid var(--cutout-border);
  border-radius: 8px;
  padding: 8px 9px;
  background: var(--cutout-panel);
  color: var(--color-text-primary);
}

.cutout-panel output {
  justify-self: end;
  font-size: 11px;
  color: var(--color-text-muted);
}

.cutout-grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cutout-grid.tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.color-row button {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 999px;
}

.effect-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.effect-grid button {
  display: grid;
  gap: 6px;
  border: 1px solid var(--cutout-border);
  background: var(--cutout-panel);
  border-radius: 8px;
  padding: 8px;
  color: var(--color-text-primary);
  cursor: pointer;
}

.effect-grid canvas {
  width: 100%;
  border-radius: 6px;
}

.layer-list {
  display: grid;
  gap: 8px;
}

.layer-list button {
  justify-content: space-between;
  text-align: left;
}

.layer-list small,
.cutout-note,
.cutout-image-tray span,
.cutout-info {
  color: var(--color-text-muted);
  font-size: 11px;
}

.cutout-info {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.cutout-info span {
  border: 1px solid var(--cutout-border);
  background: var(--cutout-panel);
  border-radius: 999px;
  padding: 5px 8px;
}

.cutout-check {
  grid-template-columns: auto 1fr;
  align-items: center;
}

@media (max-width: 900px) {
  .cutout-studio,
  .cutout-topbar,
  .cutout-body,
  .cutout-canvas-pane,
  .cutout-stage-wrap,
  .cutout-panel {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .cutout-topbar > *,
  .cutout-canvas-head > * {
    min-width: 0;
  }

  .cutout-topbar,
  .cutout-canvas-head {
    align-items: stretch;
    flex-direction: column;
  }

  .cutout-body {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .cutout-stage-wrap {
    min-height: 58vh;
  }

  .cutout-panel {
    border-left: 0;
    border-top: 1px solid var(--cutout-border);
    max-height: 42vh;
  }

  .cutout-toolbar {
    overflow-x: auto;
    flex-wrap: nowrap;
    width: 100%;
    max-width: 100%;
    padding-bottom: 4px;
  }
}

/* Dedicated Background Remover route */
.background-remover-page {
  padding-top: 34px;
  padding-bottom: 64px;
}

.bg-remover-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.bg-remover-privacy-card,
.bg-remover-reference-panel {
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.bg-remover-privacy-card {
  display: grid;
  gap: 8px;
  padding: 22px;
  color: var(--color-text-secondary);
}

.bg-remover-privacy-card svg {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
}

.bg-remover-privacy-card strong {
  color: var(--color-text-primary);
  font-size: 18px;
}

.bg-remover-workflow {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 300px;
  gap: 18px;
  align-items: start;
}

.bg-remover-left-rail,
.bg-remover-right-panel,
.bg-remover-main {
  min-width: 0;
}

.bg-remover-left-rail {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 10px;
}

.bg-remover-left-rail span {
  display: grid;
  place-items: center;
  min-height: 46px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.bg-remover-left-rail span.active {
  border-color: color-mix(in srgb, var(--color-primary) 44%, var(--color-border));
  background: color-mix(in srgb, var(--color-primary-light) 70%, var(--color-surface));
  color: var(--color-primary);
}

.bg-remover-upload-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
}

.bg-remover-upload-zone {
  min-height: 460px;
}

.bg-remover-reference-panel {
  padding: 22px;
  color: var(--color-text-secondary);
}

.bg-remover-reference-panel strong {
  display: block;
  color: var(--color-text-primary);
  font-size: 18px;
  margin-bottom: 8px;
}

.bg-remover-reference-panel ul {
  margin: 18px 0 0;
  padding-left: 18px;
  line-height: 1.8;
}

.bg-remover-selected-state,
.bg-remover-processing-card,
.bg-remover-editor-card {
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  padding: 22px;
}

.bg-remover-selected-preview {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.bg-remover-selected-preview.compact {
  max-width: 560px;
  margin: 16px auto;
  text-align: left;
}

.bg-remover-selected-preview img {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  border-radius: 16px;
  background:
    linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
    linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.bg-remover-selected-preview strong,
.bg-remover-selected-preview span {
  display: block;
}

.bg-remover-selected-preview span {
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.bg-remover-editor-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.bg-remover-editor-card .premium-result-preview {
  padding: 0;
  border: 0;
  background: transparent;
}

.bg-remover-faq {
  margin-top: 44px;
}

@media (max-width: 1100px) {
  .bg-remover-hero,
  .bg-remover-workflow,
  .bg-remover-upload-grid {
    grid-template-columns: 1fr;
  }

  .bg-remover-left-rail {
    position: static;
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .bg-remover-right-panel {
    order: -1;
  }
}

@media (max-width: 640px) {
  .background-remover-page {
    padding-top: 18px;
  }

  .bg-remover-left-rail {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .bg-remover-left-rail span {
    min-width: 92px;
  }

  .bg-remover-selected-preview,
  .bg-remover-selected-preview.compact {
    grid-template-columns: 1fr;
  }

  .bg-remover-editor-heading {
    display: grid;
  }

  .bg-remover-editor-heading .btn {
    width: 100%;
  }
}

/* ========================================================================== */
/* MOBILE-FIRST RESPONSIVE CONTRACT (shared infrastructure)                  */
/* ========================================================================== */
.mobile-drawer-heading,
.mobile-drawer-search-row,
.mobile-all-tools-link,
.mobile-tool-category-links,
.mobile-nav-utilities {
  display: none;
}

body.mobile-menu-open,
body.modal-open,
body.studio-drawer-open {
  overflow: hidden;
  overscroll-behavior: none;
}

.header-nav { z-index: var(--z-header); }
.modal-overlay { z-index: var(--z-modal); }
.toast-stack { z-index: var(--z-toast); }
.command-palette-overlay { z-index: var(--z-modal); }
.feedback-fab {
  z-index: var(--z-feedback);
  right: max(12px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
}

.contact-modal-card {
  max-height: min(720px, calc(100dvh - 32px));
  overflow: hidden;
}
.contact-modal-card .modal-body { overflow-y: auto; }
.contact-modal-card .modal-close { width: 44px; height: 44px; display: grid; place-items: center; flex: 0 0 auto; }
.file-card-order-controls { display: flex; gap: 4px; }
.file-card-order-controls button,
.file-card-remove { width: 36px; height: 36px; padding: 0; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-surface); cursor: pointer; }
.file-card-order-controls button:disabled { opacity: .35; cursor: not-allowed; }
.file-card-order-controls svg { width: 15px; }

@media (max-width: 1100px) {
  .header-nav {
    height: calc(66px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    background: color-mix(in srgb, var(--color-surface) 98%, transparent);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .main-body { padding-top: calc(66px + env(safe-area-inset-top)); }
  .nav-container { gap: 10px; }
  .logo { min-width: 0; gap: 8px; flex: 0 0 auto; }
  .logo-text { display: block !important; min-width: 0; font-size: clamp(17px, 2.3vw, 21px); overflow: visible; text-overflow: clip; white-space: nowrap; }
  .logo-text .brand-suffix { display: inline !important; }
  .nav-actions { margin-left: auto; }

  .header-nav .nav-menu {
    position: fixed;
    z-index: var(--z-drawer);
    top: calc(66px + env(safe-area-inset-top));
    right: 0;
    bottom: 0;
    width: min(390px, calc(100vw - 28px));
    height: auto !important;
    max-height: none !important;
    padding: 16px 16px calc(24px + env(safe-area-inset-bottom));
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    pointer-events: none;
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    box-shadow: -22px 0 65px -35px rgba(2,6,23,.52);
    transform: translateX(100%);
    transition: transform var(--transition-base), visibility var(--transition-base);
  }
  .mobile-menu-open .header-nav .nav-menu {
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
  }
  .mobile-nav-backdrop {
    position: fixed;
    z-index: var(--z-drawer-backdrop);
    inset: calc(66px + env(safe-area-inset-top)) 0 0;
    display: block;
    visibility: hidden;
    pointer-events: none;
    border: 0;
    background: rgba(2,6,23,.5);
    opacity: 0;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }
  .mobile-menu-open .mobile-nav-backdrop {
    visibility: visible;
    pointer-events: auto;
    opacity: 1;
  }
  .mobile-drawer-heading {
    padding: 4px 4px 12px;
    display: grid;
    gap: 2px;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
  }
  .mobile-drawer-heading span { color: var(--color-primary); font: 800 19px var(--font-display); }
  .mobile-drawer-heading small { color: var(--color-text-muted); font-size: 10px; }
  .mobile-drawer-search-row,
  .mobile-all-tools-link { display: block; }
  .mobile-drawer-search {
    width: 100%;
    min-height: 48px;
    padding: 0 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg);
    font: 700 13px var(--font-body);
    cursor: pointer;
  }
  .mobile-drawer-search svg { width: 18px; color: var(--color-primary); }
  .header-nav .nav-menu .nav-item,
  .header-nav .nav-menu .mobile-all-tools-link { width: 100%; }
  .header-nav .nav-link { min-height: 48px; font-size: 13px; }
  .header-nav .mega-menu {
    background: var(--color-bg);
    border-radius: 10px;
  }
  .header-nav .mega-list-link { min-height: 44px; }
  .mobile-tool-category-links {
    padding: 9px 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
    border-block: 1px solid var(--color-border);
  }
  .mobile-tool-category-links button,
  .mobile-nav-utilities button {
    width: 100%;
    min-height: 46px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
    font: 700 12px var(--font-body);
    text-align: left;
    cursor: pointer;
  }
  .mobile-tool-category-links button:hover,
  .mobile-tool-category-links button:focus-visible,
  .mobile-nav-utilities button:hover,
  .mobile-nav-utilities button:focus-visible { color: var(--color-primary); border-color: var(--color-border); background: var(--color-primary-light); }
  .mobile-tool-category-links svg,
  .mobile-nav-utilities svg { width: 18px; flex: 0 0 auto; }
  .mobile-nav-utilities {
    padding-top: 8px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px 10px;
  }
  .mobile-nav-utilities label { min-height: 44px; display: flex; align-items: center; gap: 10px; color: var(--color-text-secondary); font-size: 12px; font-weight: 700; }
  .mobile-nav-utilities select { min-height: 44px; max-width: 150px; padding: 0 30px 0 10px; color: var(--color-text-primary); border: 1px solid var(--color-border); border-radius: 9px; background: var(--color-surface); }
  .mobile-nav-utilities button { grid-column: 1 / -1; }
  .mobile-nav-auth { grid-template-columns: 1fr; }
  .mobile-nav-auth .btn { min-height: 46px; }
}

@media (max-width: 760px) {
  .feedback-fab { display: none; }
  .phase-one-studio-page { padding-inline: 10px; }
  .phase-one-studio-rail {
    top: calc(58px + env(safe-area-inset-top));
    scroll-snap-type: x proximity;
    overscroll-behavior-inline: contain;
  }
  .studio-mode-button {
    min-width: 74px;
    min-height: 52px;
    scroll-snap-align: start;
  }
  .studio-mode-button span { max-width: none; overflow: visible; text-overflow: clip; white-space: nowrap; font-size: 9px; }
  .studio-mobile-settings-toggle {
    position: static;
    z-index: auto;
    grid-column: 1 / -1;
    justify-self: end;
    width: auto;
    min-width: 112px;
    min-height: 44px;
    margin: 2px 0 0;
    padding: 0 14px;
    border-radius: 10px;
    box-shadow: none;
  }
  .phase-one-studio-page .tool-sidebar-settings,
  .phase-one-studio-page .crop-options-panel {
    position: fixed !important;
    z-index: var(--z-drawer) !important;
    top: auto !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    max-height: min(82dvh, 720px) !important;
    padding: 12px 14px calc(20px + env(safe-area-inset-bottom));
    border: 1px solid var(--color-border);
    border-bottom: 0;
    border-radius: 20px 20px 0 0 !important;
    box-shadow: 0 -22px 55px -28px rgba(15,23,42,.55);
    transform: translateY(105%) !important;
  }
  .phase-one-studio-page.studio-settings-open .tool-sidebar-settings,
  .phase-one-studio-page.studio-settings-open .crop-options-panel { transform: translateY(0) !important; }
  .studio-drawer-backdrop { z-index: var(--z-drawer-backdrop); }
  .studio-drawer-close { position: sticky; top: 0; z-index: 2; min-height: 44px; background: var(--color-surface); }
  .pdf-crop-handle { width: 28px; height: 28px; margin: -7px; }
  .image-studio-page .image-pan-surface,
  .phase-one-studio-page .upload-zone { min-height: min(330px, 55dvh); }
  .pdf-studio-page .file-preview-shell .preview-control-bar { min-height: 48px; flex-wrap: nowrap; scroll-snap-type: x proximity; }
  .pdf-studio-page .file-preview-shell .preview-control-bar button { min-width: 44px; min-height: 44px; scroll-snap-align: start; }
  .phase-one-studio-page[data-studio-mode="organize-pdf"] .pdf-thumbnail-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 46dvh;
    overflow-x: hidden;
    overflow-y: auto;
    gap: 10px;
  }
  .phase-one-studio-page[data-studio-mode="organize-pdf"] .pdf-thumbnail-button {
    width: 100%;
    min-width: 0;
    min-height: 112px;
    touch-action: none;
  }
  body:has(.phase-one-studio-page) .feedback-fab { bottom: max(72px, calc(58px + env(safe-area-inset-bottom))); }
}

@media (max-width: 640px) {
  .header-nav .container { padding-inline: 10px; }
  .nav-container { gap: 6px; }
  .logo { gap: 6px; }
  .logo-icon { width: 34px; height: 34px; border-radius: 9px; }
  .logo-text { display: block !important; font-size: clamp(16px, 4.6vw, 18px); }
  .logo-text .brand-suffix { display: inline !important; }
  .nav-actions { gap: 5px; }
  .command-trigger,
  .btn-icon-nav,
  .mobile-nav-toggle { width: 38px; min-width: 38px; height: 38px; }
  .header-nav .nav-menu { width: 100%; padding-inline: 14px; border-left: 0; }
  .header-nav .mega-menu { grid-template-columns: 1fr; }

  .modal-overlay {
    height: 100dvh;
    min-height: 100dvh;
    padding: max(10px, env(safe-area-inset-top)) 10px max(10px, env(safe-area-inset-bottom));
    align-items: flex-end;
  }
  .modal-card,
  .auth-modal-card,
  .contact-modal-card {
    width: 100%;
    max-width: none;
    max-height: min(90dvh, calc(100dvh - max(20px, env(safe-area-inset-top))));
    padding: 0;
    gap: 0;
    overflow: hidden;
    border-radius: 20px 20px 12px 12px;
    animation: none;
  }
  .auth-modal-header,
  .contact-modal-card .modal-header {
    position: relative;
    z-index: 2;
    min-height: 76px;
    padding: 18px 62px 14px 18px;
    align-items: flex-start;
    background: var(--color-surface-elevated);
    border-bottom: 1px solid var(--color-border);
  }
  .auth-modal-card .modal-close,
  .contact-modal-card .modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 44px;
    height: 44px;
  }
  .auth-form,
  .contact-modal-card .modal-body {
    min-height: 0;
    padding: 16px 18px calc(20px + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-padding-bottom: 96px;
  }
  .auth-description { line-height: 1.6; }
  .auth-field .form-input-text,
  .contact-modal-card input,
  .contact-modal-card textarea { font-size: 16px; }
  .contact-modal-card textarea { max-height: 32dvh; resize: vertical; }

  .tool-filter-bar { top: calc(72px + env(safe-area-inset-top)); padding: 8px; gap: 14px; }
  .filter-tabs {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    flex: 0 1 auto;
    flex-wrap: nowrap;
    gap: 10px;
    padding-bottom: 2px;
    scroll-snap-type: x proximity;
  }
  .filter-tab { min-height: 44px; flex: 0 0 auto; scroll-snap-align: start; }
  .search-wrapper { width: 100%; min-width: 0; max-width: 100%; }
  .search-input { width: 100%; min-width: 0; max-width: 100%; height: 46px; padding-left: 48px; padding-right: 14px; font-size: 14px; }
  .search-icon { left: 16px; pointer-events: none; }
  .tool-card { min-height: 182px; padding: 14px; }
  .tool-card-icon { width: 40px; height: 40px; }
  .favorite-button { width: 44px; height: 44px; }
  .tool-card-category { margin-top: 10px; }
  .tool-card-desc { margin: 5px 0 11px; display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

  .tool-container { padding-top: 22px; }
  .tool-page-title { font-size: clamp(25px, 8vw, 32px); overflow-wrap: anywhere; }
  .tool-workspace { gap: 12px; }
  .tool-interactive-area { padding: 10px; }
  .upload-zone { min-height: min(300px, 54dvh); padding: 24px 12px; }
  .upload-zone .btn,
  .file-picker-button { min-height: 44px; }
  .tool-options-panel .form-input-text,
  .tool-options-panel select,
  .tool-options-panel input { min-height: 44px; }
  .calculator-action-row { grid-template-columns: 1fr; }
  .code-color-grid { grid-template-columns: 1fr; }
  .archive-summary { align-items: flex-start; flex-direction: column; }
  .archive-entry-list li { grid-template-columns: minmax(0, 1fr) auto; }
  .archive-extract-button { min-width: 44px; min-height: 44px; }
  .file-queue,
  .premium-editor-workspace .file-queue { grid-template-columns: 1fr; }
  .file-card { width: 100%; min-height: 72px; gap: 9px; }
  .file-card-thumb { width: 46px; height: 46px; flex: 0 0 auto; }
  .file-card-order-controls { flex-direction: column; }
  .file-card-order-controls button { width: 44px; height: 44px; }
  .file-card-remove { width: 44px; height: 44px; }
  .feedback-fab { width: 40px; height: 40px; right: max(8px, env(safe-area-inset-right)); bottom: max(8px, env(safe-area-inset-bottom)); }
}

@media (min-width: 480px) and (max-width: 768px) {
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 479px) {
  .tools-grid { grid-template-columns: 1fr; }
}

@media (max-width: 359px) {
  .header-nav .container { padding-inline: 8px; }
  .logo-icon { width: 32px; height: 32px; }
  .logo-text { font-size: 15px; }
  .command-trigger,
  .btn-icon-nav,
  .mobile-nav-toggle { width: 36px; min-width: 36px; height: 36px; }
  .nav-actions { gap: 3px; }
  .tool-card { min-height: 170px; }
}

@media (orientation: landscape) and (max-height: 600px) and (max-width: 1024px) {
  .modal-card,
  .auth-modal-card,
  .contact-modal-card { max-height: calc(100dvh - 12px); }
  .phase-one-studio-page .tool-sidebar-settings,
  .phase-one-studio-page .crop-options-panel { max-height: 88dvh !important; }
}

/* PDF Watermark Studio: controls remain compact in the desktop settings panel and
   become touch-sized, vertically readable controls in the mobile settings sheet. */
.watermark-studio { display: grid; gap: 16px; min-width: 0; }
.watermark-studio fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.watermark-studio legend { margin-bottom: 8px; color: var(--color-text-primary); font-size: 13px; font-weight: 700; }
.watermark-type-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.watermark-type-button,
.watermark-position-grid button,
.watermark-presets button { border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); color: var(--color-text-primary); cursor: pointer; }
.watermark-type-button { min-width: 0; min-height: 54px; display: grid; place-items: center; gap: 3px; padding: 7px 5px; font: inherit; font-size: 11px; line-height: 1.1; }
.watermark-type-button svg { width: 18px; height: 18px; }
.watermark-type-button.active,
.watermark-position-grid button.active { color: #fff; background: var(--color-primary); border-color: var(--color-primary); box-shadow: 0 3px 10px rgba(37, 99, 235, .22); }
.watermark-source-panel { display: grid; gap: 10px; }
.watermark-text-input { resize: vertical; min-height: 72px; }
.watermark-presets { display: flex; flex-wrap: wrap; gap: 7px; }
.watermark-presets button { min-height: 32px; padding: 5px 8px; font-size: 11px; }
.watermark-presets button:hover,
.watermark-presets button:focus-visible { border-color: var(--color-primary); color: var(--color-primary); }
.watermark-control-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; align-items: end; }
.watermark-control-grid .form-label { display: grid; gap: 6px; min-width: 0; margin: 0; }
.watermark-color-control input[type="color"] { width: 100%; height: 44px; padding: 3px; border: 1px solid var(--color-border); border-radius: 9px; background: var(--color-surface); }
.watermark-bold-control,
.watermark-lock-control,
.watermark-tile-control { min-height: 44px; align-self: end; }
.watermark-range-row { display: grid; gap: 7px; min-width: 0; margin: 0; color: var(--color-text-primary); font-size: 12px; font-weight: 600; }
.watermark-range-row > span { display: flex; justify-content: space-between; gap: 8px; }
.watermark-range-row output,
.watermark-scale-control output { color: var(--color-text-secondary); font-variant-numeric: tabular-nums; font-weight: 600; }
.watermark-range-row input[type="range"],
.watermark-scale-control input[type="range"] { width: 100%; accent-color: var(--color-primary); }
.watermark-image-status { display: grid; gap: 6px; padding: 9px 10px; color: var(--color-text-secondary); border: 1px dashed var(--color-border); border-radius: 9px; font-size: 12px; line-height: 1.4; }
.watermark-image-status.is-error { color: var(--color-danger, #dc2626); border-color: currentColor; }
.watermark-image-dimensions { align-items: end; }
.watermark-scale-control { display: grid; grid-column: 1 / -1; gap: 6px; color: var(--color-text-primary); font-size: 12px; font-weight: 600; }
.watermark-scale-control output { justify-self: end; margin-top: -23px; }
.watermark-placement { display: grid; gap: 8px; }
.watermark-position-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.watermark-position-grid button { min-height: 38px; font-size: 18px; line-height: 1; }
#watermark-position-label { color: var(--color-text-secondary); font-size: 12px; }
.watermark-offset-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.watermark-pages { display: grid; gap: 9px; }
.watermark-pages .form-label { display: grid; gap: 6px; margin: 0; }
.watermark-inline-help { margin: 0; color: var(--color-text-secondary); font-size: 12px; line-height: 1.45; }
.pdf-watermark-preview { position: absolute; z-index: 4; overflow: hidden; pointer-events: none; }
.pdf-watermark-preview-mark { position: absolute; display: block; max-width: 85%; max-height: 85%; object-fit: contain; user-select: none; filter: drop-shadow(0 1px 1px rgba(15, 23, 42, .12)); }
.pdf-watermark-preview[data-empty="true"]::after { content: "Choose an image or logo to preview it"; position: absolute; inset: auto 12px 12px; padding: 6px 8px; border-radius: 7px; background: rgba(15, 23, 42, .76); color: #fff; font-size: 11px; text-align: center; }
.premium-editor-workspace > .studio-announcement.sr-only { width: 1px; max-width: 1px; height: 1px; min-height: 1px; margin: -1px; }

@media (max-width: 767px) {
  .watermark-studio { gap: 18px; padding-bottom: calc(8px + env(safe-area-inset-bottom)); }
  .watermark-type-button { min-height: 52px; font-size: 12px; }
  .watermark-type-button span { overflow-wrap: anywhere; }
  .watermark-control-grid,
  .watermark-offset-grid { grid-template-columns: 1fr; }
  .watermark-image-dimensions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .watermark-image-dimensions .watermark-lock-control { grid-column: 1 / -1; }
  .watermark-position-grid button { min-height: 44px; }
  .watermark-presets button { min-height: 36px; padding-inline: 10px; }
  .watermark-range-row input[type="range"],
  .watermark-scale-control input[type="range"] { min-height: 32px; }
  .pdf-watermark-preview-mark { max-width: 90%; }
}

@media (max-width: 359px) {
  .watermark-type-options { gap: 5px; }
  .watermark-type-button { min-height: 48px; padding-inline: 3px; font-size: 10px; }
  .watermark-image-dimensions { grid-template-columns: 1fr; }
  .watermark-image-dimensions .watermark-lock-control { grid-column: auto; }
}