:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.82);
  --surface-alt: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;
  --primary: #e11d48;
  --primary-hover: #be123c;
  --primary-soft: #ffe4e6;
  --indigo: #4f46e5;
  --accent-blue: #2563eb;
  --success: #059669;
  --success-soft: #d1fae5;
  --warning-bg: #fef3c7;
  --warning-border: #f59e0b;
  --danger: #dc2626;
  --grid-color: rgba(15, 23, 42, 0.055);
  --glow-1: rgba(79, 70, 229, 0.12);
  --glow-2: rgba(225, 29, 72, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 12px 28px -6px rgba(15, 23, 42, 0.08), 0 4px 10px rgba(79, 70, 229, 0.05);
  --shadow-lg: 0 18px 38px -8px rgba(15, 23, 42, 0.13), 0 4px 12px rgba(79, 70, 229, 0.08);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070b14;
  --surface: #0f172a;
  --surface-glass: rgba(15, 23, 42, 0.78);
  --surface-alt: #1e293b;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.26);
  --text: #f8fafc;
  --text-muted: #cbd5e1;
  --text-light: #94a3b8;
  --primary: #f43f5e;
  --primary-hover: #e11d48;
  --primary-soft: rgba(244, 63, 94, 0.18);
  --indigo: #6366f1;
  --accent-blue: #3b82f6;
  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.14);
  --warning-bg: rgba(245, 158, 11, 0.14);
  --warning-border: rgba(245, 158, 11, 0.45);
  --danger: #f87171;
  --grid-color: rgba(255, 255, 255, 0.045);
  --glow-1: rgba(99, 102, 241, 0.22);
  --glow-2: rgba(244, 63, 94, 0.16);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 30px -6px rgba(0, 0, 0, 0.5), 0 0 20px rgba(99, 102, 241, 0.1);
  --shadow-lg: 0 20px 42px -10px rgba(0, 0, 0, 0.7), 0 0 28px rgba(99, 102, 241, 0.16);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--grid-color) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.25) 65%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.25) 65%, transparent 100%);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: min(960px, 96vw);
  height: 380px;
  background:
    radial-gradient(circle at 30% 38%, var(--glow-1), transparent 62%),
    radial-gradient(circle at 70% 42%, var(--glow-2), transparent 62%);
  filter: blur(50px);
  z-index: -1;
  pointer-events: none;
}

/* Floating Glass Pill Topbar */
.topbar {
  position: sticky;
  top: 0.75rem;
  z-index: 50;
  padding: 0 1rem;
  background: transparent;
  border-bottom: none;
  box-shadow: none;
}

.topbar-inner {
  max-width: 1420px;
  margin: 0 auto;
  padding: 0.5rem 0.9rem;
  background: var(--surface-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: nowrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 3px 8px rgba(79, 70, 229, 0.25));
  transition: transform 0.15s ease;
}

.brand:hover .brand-logo {
  transform: scale(1.04);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong {
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.2;
}

.brand-text small {
  font-size: 0.72rem;
  color: var(--text-light);
  white-space: nowrap;
}

@media (max-width: 1400px) and (min-width: 1311px) {
  .brand-text small {
    display: none;
  }
}

.quick-nav {
  display: flex;
  align-items: center;
  gap: 0.12rem;
  flex-wrap: nowrap;
}

.nav-pill {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.34rem 0.5rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.nav-pill:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.nav-pill.active {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--primary) 100%);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 3px 12px rgba(225, 29, 72, 0.26);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
  min-width: 0;
}

.topbar-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  white-space: nowrap;
  padding-left: 0.5rem;
  border-left: 1px solid var(--border);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  height: 34px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  flex-shrink: 0;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  height: 26px;
  padding: 0 0.58rem;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
  line-height: 1;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.04);
}

[data-theme="dark"] .lang-btn.active {
  background: #334155;
  color: #f8fafc;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.theme-toggle-btn {
  position: relative;
  width: 62px;
  height: 34px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--border-strong);
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(15, 23, 42, 0.04);
  transition: transform 0.24s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s ease, box-shadow 0.2s ease;
  pointer-events: none;
}

[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(28px);
  background: #334155;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.theme-icon {
  position: relative;
  z-index: 1;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.theme-icon-sun {
  color: #f59e0b;
}

.theme-icon-moon {
  color: var(--text-light);
}

[data-theme="dark"] .theme-icon-sun {
  color: var(--text-light);
}

[data-theme="dark"] .theme-icon-moon {
  color: #a5b4fc;
}

@media (max-width: 1310px) {
  .topbar {
    top: 0.5rem;
    padding: 0 0.65rem;
  }

  .topbar-inner {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.6rem 0.95rem;
    border-radius: 22px;
  }

  .brand {
    flex: 1 1 0%;
    min-width: 0;
  }

  .brand-text {
    min-width: 0;
  }

  .brand-text small {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .topbar-right {
    display: contents;
  }

  .topbar-controls {
    order: 2;
    margin-left: auto;
    border-left: none;
    padding-left: 0;
  }

  .quick-nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    padding-top: 0.45rem;
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 480px) {
  .brand {
    gap: 0.5rem;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
  }

  .brand-text strong {
    font-size: 1rem;
  }

  .brand-text small {
    font-size: 0.67rem;
  }

  .topbar-controls {
    gap: 0.35rem;
  }

  .lang-switch {
    height: 32px;
    padding: 2px;
  }

  .lang-btn {
    height: 26px;
    padding: 0 0.5rem;
    font-size: 0.71rem;
  }

  .theme-toggle-btn {
    width: 58px;
    height: 32px;
    padding: 2px;
  }

  .theme-toggle-thumb,
  .theme-icon {
    width: 26px;
    height: 26px;
  }

  .theme-toggle-thumb {
    top: 2px;
    left: 2px;
  }

  [data-theme="dark"] .theme-toggle-thumb {
    transform: translateX(26px);
  }
}

/* Main container */
.container {
  max-width: 1320px;
  width: 100%;
  flex: 1;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

/* Site Footer */
.site-footer {
  margin-top: auto;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.site-footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-light);
}

.footer-sep {
  color: var(--border-strong);
}

.footer-logo-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  vertical-align: middle;
}

.footer-brand-link {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

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

.footer-author-link {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed var(--border-strong);
  transition: color 0.14s ease, border-color 0.14s ease;
}

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

.hidden {
  display: none !important;
}

/* Hero & Bento Tool Cards Grid */
.hero {
  text-align: center;
  max-width: 800px;
  margin: 0.65rem auto 2.35rem;
}

.hero-tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.22);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text) 30%, var(--indigo) 68%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.15rem;
}

.tool-card {
  position: relative;
  grid-column: span 4;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.9rem;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.22s ease, border-color 0.22s ease;
  box-shadow: var(--shadow-sm);
}

.tool-card.bento-span-6 {
  grid-column: span 6;
}

.tool-card.bento-span-4 {
  grid-column: span 4;
}

.tool-card.bento-span-3 {
  grid-column: span 3;
}

@media (max-width: 1120px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tool-card,
  .tool-card.bento-span-6,
  .tool-card.bento-span-4,
  .tool-card.bento-span-3 {
    grid-column: span 1;
  }
}

@media (max-width: 680px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(380px circle at top right, var(--card-glow, rgba(79, 70, 229, 0.1)), transparent 70%);
  opacity: 0;
  transition: opacity 0.24s ease;
  pointer-events: none;
}

.tool-card:hover,
.tool-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
  outline: none;
}

.tool-card:hover::before,
.tool-card:focus-visible::before {
  opacity: 1;
}

.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.tool-card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-tech-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-light);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.tool-card-arrow {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-light);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s ease;
}

.tool-card:hover .tool-card-arrow,
.tool-card:focus-visible .tool-card-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--text);
}

.tool-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
  border: 1px solid transparent;
  transition: transform 0.2s ease;
}

.tool-card:hover .tool-icon {
  transform: scale(1.06) rotate(-2deg);
}

.icon-red { background: rgba(225, 29, 72, 0.1); color: #e11d48; border-color: rgba(225, 29, 72, 0.22); }
.icon-blue { background: rgba(37, 99, 235, 0.1); color: #2563eb; border-color: rgba(37, 99, 235, 0.22); }
.icon-purple { background: rgba(147, 51, 234, 0.1); color: #9333ea; border-color: rgba(147, 51, 234, 0.22); }
.icon-green { background: rgba(5, 150, 105, 0.1); color: #059669; border-color: rgba(5, 150, 105, 0.22); }
.icon-indigo { background: rgba(79, 70, 229, 0.1); color: #4f46e5; border-color: rgba(79, 70, 229, 0.22); }
.icon-cyan { background: rgba(8, 145, 178, 0.1); color: #0891b2; border-color: rgba(8, 145, 178, 0.22); }
.icon-amber { background: rgba(217, 119, 6, 0.1); color: #d97706; border-color: rgba(217, 119, 6, 0.22); }
.icon-teal { background: rgba(13, 148, 136, 0.1); color: #0d9488; border-color: rgba(13, 148, 136, 0.22); }
.icon-slate { background: rgba(71, 85, 105, 0.12); color: #475569; border-color: rgba(71, 85, 105, 0.24); }

.tool-body h3 {
  font-size: 1.08rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  margin-bottom: 0.32rem;
  color: var(--text);
}

.tool-body p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.48;
}

.tool-bento-footer {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--border);
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-light);
}

.bento-sheet {
  min-width: 22px;
  height: 26px;
  padding: 0 0.35rem;
  border-radius: 5px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.64rem;
  font-weight: 800;
  color: var(--text-muted);
}

.bento-accent {
  margin-left: auto;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

.tool-card:hover .bento-accent {
  color: var(--primary);
}

/* Workspace Section */
.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.btn-back {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.btn-back:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.workspace-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1 1 320px;
  min-width: 0;
}

.workspace-badge {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 13px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--primary);
}

.workspace-title-wrap h2 {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.15rem;
}

.workspace-title-wrap p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.4;
}

@media (max-width: 680px) {
  .workspace-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.15rem;
    padding-bottom: 0.85rem;
  }

  .btn-back {
    padding: 0.36rem 0.78rem;
    font-size: 0.8rem;
  }

  .workspace-title-wrap {
    flex: 1 1 auto;
    width: 100%;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .workspace-badge {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    margin-top: 0.1rem;
  }

  .workspace-title-wrap h2 {
    font-size: 1.2rem;
  }

  .workspace-title-wrap p {
    font-size: 0.84rem;
  }
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 370px;
  gap: 1.5rem;
  align-items: start;
}

.workspace-main,
.workspace-sidebar {
  min-width: 0;
}

@media (max-width: 980px) {
  .workspace-layout {
    grid-template-columns: 1fr;
  }
}

/* Dropzone */
.dropzone {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.dropzone::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--glow-1), transparent 72%);
  opacity: 0.45;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.dropzone:hover {
  border-color: var(--indigo);
  box-shadow: var(--shadow-md);
}

.dropzone:hover::before {
  opacity: 0.85;
}

.dropzone.dragover {
  border-color: var(--primary);
  background: #fff1f2;
}

.dropzone.compact {
  padding: 1.25rem 1.5rem;
}

.dropzone.compact .dropzone-icon {
  display: none;
}

.hidden-file-input {
  display: none;
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.85rem;
  border-radius: 16px;
  background: var(--surface-alt);
  border: 1px solid var(--border-strong);
  color: var(--indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.dropzone:hover .dropzone-icon {
  transform: translateY(-2px) scale(1.04);
}

.dropzone-content h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.dropzone-content p {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* Alert Box */
.alert-box {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.alert-warning {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: #92400e;
}

.alert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.inline-password-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.inline-password-group input {
  padding: 0.4rem 0.7rem;
  border: 1px solid #d97706;
  border-radius: 6px;
  font-size: 0.88rem;
}

/* Files list bar */
.files-bar {
  margin-top: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
}

.files-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.files-bar-actions {
  display: flex;
  gap: 0.5rem;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
}

.file-item-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.file-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.45rem;
  border-radius: 5px;
  background: #e2e8f0;
  color: #334155;
}

.file-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 380px;
}

.file-meta {
  color: var(--text-light);
  font-size: 0.8rem;
}

.file-item-actions {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: all 0.12s ease;
}

.icon-btn:hover {
  background: #e2e8f0;
  color: var(--text);
}

.icon-btn.danger:hover {
  background: #fee2e2;
  color: var(--danger);
  border-color: #fca5a5;
}

/* Preview Panel & Thumbnails Grid */
.preview-panel {
  margin-top: 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.preview-toolbar-left {
  display: flex;
  flex-direction: column;
}

.preview-hint {
  font-size: 0.8rem;
  color: var(--text-light);
}

.preview-toolbar-right {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.15rem;
  max-height: 640px;
  overflow-y: auto;
  padding: 1rem 0.75rem 0.5rem;
}

.page-card {
  background: var(--surface-alt);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  user-select: none;
  transition: transform 0.14s ease, border-color 0.14s ease, background-color 0.14s ease, box-shadow 0.14s ease;
}

.page-card.selectable {
  cursor: pointer;
}

.page-card.selected {
  border-color: var(--primary);
  background: #fff1f2;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

.page-card.draggable {
  cursor: grab;
}

.page-card.draggable:active {
  cursor: grabbing;
}

.page-card.dragging {
  opacity: 0.38;
  border-style: dashed;
  border-color: var(--primary);
  transform: scale(0.97);
}

.page-card.drop-before {
  transform: translateX(5px);
  border-color: #fda4af;
  background: #fff1f2;
}

.page-card.drop-after {
  transform: translateX(-5px);
  border-color: #fda4af;
  background: #fff1f2;
}

.page-card.drop-before::before,
.page-card.drop-after::before {
  content: "";
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 4px;
  background: var(--primary);
  border-radius: 999px;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.2), 0 2px 8px rgba(225, 29, 72, 0.45);
  z-index: 10;
  pointer-events: none;
}

.page-card.drop-before::before {
  left: -13px;
}

.page-card.drop-after::before {
  right: -13px;
}

.page-card.drop-before::after,
.page-card.drop-after::after {
  content: attr(data-drop-label);
  position: absolute;
  top: -15px;
  background: var(--primary);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 3px 8px rgba(225, 29, 72, 0.35);
  z-index: 11;
  pointer-events: none;
}

.page-card.drop-before::after {
  left: -8px;
}

.page-card.drop-after::after {
  right: -8px;
}

.page-check-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: transparent;
  z-index: 2;
}

.page-card.selected .page-check-badge {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.page-thumb-wrap {
  width: 100%;
  height: 175px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #ffffff;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
  position: relative;
}

.page-zoom-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.72);
  color: #ffffff;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.14s ease, transform 0.14s ease;
  z-index: 3;
}

.page-card:hover .page-zoom-btn {
  opacity: 1;
}

.page-zoom-btn:hover {
  background: var(--primary);
  transform: scale(1.06);
}

.page-thumb-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.page-card-footer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.page-card-footer-stacked {
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
}

.page-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
}

.page-order-badge {
  background: #e2e8f0;
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.page-origin-text {
  font-size: 0.76rem;
  color: var(--text-light);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-card-controls {
  display: flex;
  gap: 0.3rem;
  width: 100%;
}

.page-card-footer-stacked .page-card-controls .icon-btn {
  flex: 1;
  height: 28px;
}

/* Sidebar settings */
.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 76px;
}

.settings-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}

.tool-options {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  margin-bottom: 1.2rem;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.field-help {
  display: block;
  font-size: 0.77rem;
  color: var(--text-light);
  margin-top: 0.3rem;
}

.text-input,
.select-input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--text);
}

.text-input:focus,
.select-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

.radio-cards {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.14s ease;
}

.radio-card:hover {
  background: var(--surface-alt);
}

.radio-card input[type="radio"] {
  margin-top: 0.22rem;
  accent-color: var(--primary);
}

.radio-card div {
  display: flex;
  flex-direction: column;
}

.radio-card strong {
  font-size: 0.88rem;
  font-weight: 600;
}

.radio-card small {
  font-size: 0.77rem;
  color: var(--text-light);
  line-height: 1.35;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.checkbox-row input {
  accent-color: var(--primary);
}

.option-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.info-pill {
  background: var(--surface-alt);
  border-left: 3px solid var(--accent-blue);
  padding: 0.65rem 0.8rem;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.stats-mini {
  background: var(--surface-alt);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

/* Unobtrusive Metadata Accordion */
.metadata-accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  margin-bottom: 1rem;
  overflow: hidden;
}

.metadata-summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background 0.14s ease;
}

.metadata-summary::-webkit-details-marker {
  display: none;
}

.metadata-summary:hover {
  background: #e2e8f0;
  color: var(--text);
}

.metadata-summary-left {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.metadata-summary-left::after {
  content: "▸";
  font-size: 0.75rem;
  color: var(--text-light);
  transition: transform 0.15s ease;
}

.metadata-accordion[open] .metadata-summary-left::after {
  transform: rotate(90deg);
}

.metadata-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.metadata-badge.badge-keep {
  background: #d1fae5;
  color: #065f46;
}

.metadata-badge.badge-strip {
  background: #fee2e2;
  color: #991b1b;
}

.metadata-badge.badge-info {
  background: #e2e8f0;
  color: #334155;
}

.metadata-body {
  padding: 0.75rem 0.85rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.metadata-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
}

.metadata-hint-text {
  font-size: 0.74rem;
  color: var(--text-light);
}

.metadata-actions-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}

.btn-link-xs {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.18rem 0.52rem;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.12s ease;
}

.btn-link-xs:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.btn-link-danger {
  color: #b91c1c;
  border-color: #fecaca;
  background: #fef2f2;
}

.btn-link-danger:hover {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fca5a5;
}

.metadata-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  font-size: 0.77rem;
  padding: 0.28rem 0;
  border-bottom: 1px solid #f1f5f9;
}

.meta-row-editing {
  flex-direction: column;
  align-items: stretch;
  gap: 0.3rem;
  background: #f8fafc;
  padding: 0.4rem 0.45rem;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
}

.meta-row:last-child {
  border-bottom: none;
}

.meta-row-left {
  min-width: 0;
  flex: 1;
}

.meta-row-right {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-shrink: 0;
}

.meta-edit-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  cursor: pointer;
  padding: 0;
  opacity: 0.72;
  transition: all 0.12s ease;
}

.meta-edit-btn:hover {
  opacity: 1;
  background: var(--surface-alt);
  border-color: var(--border);
  transform: scale(1.06);
}

.meta-inline-edit {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  width: 100%;
}

.meta-inline-input {
  flex: 1;
  min-width: 0;
}

.meta-inline-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.12s ease;
}

.meta-inline-save {
  background: #dcfce7;
  color: #166534;
  border-color: #86efac;
}

.meta-inline-save:hover {
  background: #bbf7d0;
}

.meta-inline-clear {
  background: #fef2f2;
  color: #b91c1c;
  border-color: #fecaca;
}

.meta-inline-clear:hover {
  background: #fee2e2;
}

.meta-key {
  color: var(--text-light);
  font-weight: 600;
  margin-right: 0.3rem;
}

.meta-val {
  color: var(--text);
  font-weight: 500;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.meta-val.muted {
  color: #94a3b8;
  font-style: italic;
}

.meta-state {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.42rem;
  border-radius: 5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.meta-state.state-saved {
  background: #dcfce7;
  color: #166534;
}

.meta-state.state-edited {
  background: #dbeafe;
  color: #1e40af;
}

.meta-state.state-updated {
  background: #f1f5f9;
  color: #475569;
}

.meta-state.state-stripped {
  background: #fef2f2;
  color: #b91c1c;
  text-decoration: none;
}

.meta-note {
  font-size: 0.74rem;
  color: var(--text-light);
  line-height: 1.35;
}

.metadata-edit-form {
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border);
}

.metadata-edit-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.metadata-edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.metadata-edit-grid label {
  display: block;
  font-size: 0.71rem;
  color: var(--text-light);
  margin-bottom: 0.15rem;
}

.input-xs {
  padding: 0.34rem 0.5rem;
  font-size: 0.78rem;
}

/* Status & Result Cards */
.status-banner {
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  margin-bottom: 1rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.status-banner.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}

.status-banner.info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
}

.result-card {
  background: var(--success-soft);
  border: 1px solid #6ee7b7;
  border-radius: var(--radius-md);
  padding: 0.95rem;
  margin-bottom: 1rem;
  max-width: 100%;
  overflow: hidden;
}

.result-header {
  font-weight: 700;
  font-size: 0.92rem;
  color: #065f46;
  margin-bottom: 0.4rem;
}

.result-details {
  font-size: 0.83rem;
  color: #047857;
  margin-bottom: 0.75rem;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.45;
}

.result-filename {
  display: inline-block;
  max-width: 100%;
  font-weight: 700;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.6rem 1.15rem;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--indigo) 0%, #be123c 55%, var(--primary) 100%);
  color: #ffffff;
  box-shadow: 0 6px 18px -4px rgba(225, 29, 72, 0.35);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #4338ca 0%, #9f1239 55%, var(--primary-hover) 100%);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -4px rgba(225, 29, 72, 0.45);
}

.btn-secondary {
  background: #0f172a;
  color: #ffffff;
}

.btn-success {
  background: var(--success);
  color: #ffffff;
}

.btn-outline {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-outline:hover:not(:disabled) {
  background: var(--surface-alt);
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-alt);
  color: var(--text);
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.82rem;
}

.btn-xs {
  padding: 0.28rem 0.55rem;
  font-size: 0.78rem;
}

.btn-lg {
  padding: 0.82rem 1.25rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* Quick Page Preview Modal (Lightbox) */
.page-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.page-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(4px);
}

.page-modal-dialog {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: min(980px, 94vw);
  height: min(88vh, 920px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
}

.page-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-wrap: wrap;
}

.page-modal-title-group {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  min-width: 0;
}

.page-modal-title-group strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.page-modal-subtitle {
  font-size: 0.82rem;
  color: var(--text-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 340px;
}

.page-modal-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.modal-counter {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0 0.35rem;
  min-width: 48px;
  text-align: center;
}

.modal-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 0.2rem;
}

.modal-btn {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 0.34rem 0.68rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.14s ease;
}

.modal-btn:hover:not(:disabled) {
  background: #e2e8f0;
}

.modal-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.modal-close-btn:hover {
  background: #fee2e2;
  color: var(--danger);
  border-color: #fca5a5;
}

.page-modal-body {
  flex: 1;
  background: #0f172a;
  position: relative;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.page-modal-body.zoomed {
  align-items: flex-start;
  justify-content: flex-start;
}

.modal-quality-badge {
  position: absolute;
  top: 12px;
  right: 16px;
  background: rgba(15, 23, 42, 0.82);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  z-index: 5;
}

.page-modal-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto;
}

.page-modal-stage img {
  max-width: 100%;
  max-height: calc(88vh - 150px);
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  cursor: zoom-in;
  transition: transform 0.18s ease;
}

.page-modal-body.zoomed .page-modal-stage img {
  max-width: none;
  max-height: none;
  width: 1150px;
  cursor: zoom-out;
}

.page-modal-footer {
  padding: 0.55rem 1.2rem;
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* Loading & Progress Indicator Card */
.loading-card {
  margin-top: 1rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: 0.95rem 1.15rem;
  box-shadow: var(--shadow-sm);
}

.loading-card-compact {
  margin-top: 0;
  margin-bottom: 1rem;
  padding: 0.8rem 0.95rem;
}

.loading-card-top {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.65rem;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 3px solid #bfdbfe;
  border-top-color: var(--accent-blue);
  animation: pdf-spin 0.75s linear infinite;
  flex-shrink: 0;
}

.loading-spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2.5px;
}

@keyframes pdf-spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-card-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.loading-card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.loading-card-title-row strong {
  font-size: 0.9rem;
  font-weight: 700;
  color: #1e3a8a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.loading-percent {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-blue);
  background: #dbeafe;
  padding: 0.1rem 0.48rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.loading-percent:empty {
  display: none;
}

.loading-subtitle {
  font-size: 0.79rem;
  color: #1d4ed8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.loading-progress-track {
  width: 100%;
  height: 8px;
  background: #dbeafe;
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.loading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue) 0%, #3b82f6 50%, var(--primary) 100%);
  border-radius: 999px;
  transition: width 0.2s ease;
}

.loading-progress-bar.indeterminate {
  width: 45% !important;
  animation: pdf-progress-slide 1.25s ease-in-out infinite;
}

@keyframes pdf-progress-slide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(230%);
  }
}

.load-more-pages-card {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: #eff6ff;
  border: 1px dashed #93c5fd;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  font-size: 0.86rem;
  color: #1e3a8a;
}

.footer-nav-link {
  color: var(--text-muted);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.14s ease;
}

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

/* Legal Pages (Privacy Policy & Terms of Use) */
.legal-page {
  max-width: 900px;
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2.5rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 640px) {
  .legal-card {
    padding: 1.5rem 1.25rem;
  }
}

.legal-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.25rem;
  margin-bottom: 1.65rem;
}

.legal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 0.24rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.legal-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.legal-en {
  font-weight: 600;
  color: var(--text-light);
  font-size: 1.2rem;
}

.legal-updated {
  font-size: 0.84rem;
  color: var(--text-light);
}

.legal-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.legal-section h2 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.55rem;
}

.legal-section p {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.65rem;
}

.legal-section p:last-child {
  margin-bottom: 0;
}

.legal-section ul {
  margin: 0.4rem 0 0.65rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

.legal-section a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.legal-section a:hover {
  text-decoration: underline;
}

.legal-section code {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1rem 0.38rem;
  font-size: 0.84rem;
  color: var(--text);
}

/* Dark Theme Component Overrides */
[data-theme="dark"] .icon-red { background: rgba(244, 63, 94, 0.16); color: #fb7185; border-color: rgba(244, 63, 94, 0.3); }
[data-theme="dark"] .icon-blue { background: rgba(59, 130, 246, 0.16); color: #60a5fa; border-color: rgba(59, 130, 246, 0.3); }
[data-theme="dark"] .icon-purple { background: rgba(168, 85, 247, 0.16); color: #c084fc; border-color: rgba(168, 85, 247, 0.3); }
[data-theme="dark"] .icon-green { background: rgba(16, 185, 129, 0.16); color: #34d399; border-color: rgba(16, 185, 129, 0.3); }
[data-theme="dark"] .icon-indigo { background: rgba(99, 102, 241, 0.16); color: #818cf8; border-color: rgba(99, 102, 241, 0.3); }
[data-theme="dark"] .icon-cyan { background: rgba(6, 182, 212, 0.16); color: #22d3ee; border-color: rgba(6, 182, 212, 0.3); }
[data-theme="dark"] .icon-amber { background: rgba(245, 158, 11, 0.16); color: #fbbf24; border-color: rgba(245, 158, 11, 0.3); }
[data-theme="dark"] .icon-teal { background: rgba(20, 184, 166, 0.16); color: #2dd4bf; border-color: rgba(20, 184, 166, 0.3); }
[data-theme="dark"] .icon-slate { background: rgba(148, 163, 184, 0.16); color: #cbd5e1; border-color: rgba(148, 163, 184, 0.3); }

[data-theme="dark"] .dropzone.dragover {
  background: rgba(244, 63, 94, 0.1);
}

[data-theme="dark"] .alert-warning {
  color: #fcd34d;
}

[data-theme="dark"] .inline-password-group input {
  background: var(--surface);
  color: var(--text);
  border-color: var(--warning-border);
}

[data-theme="dark"] .file-badge,
[data-theme="dark"] .page-order-badge {
  background: #334155;
  color: #e2e8f0;
}

[data-theme="dark"] .icon-btn:hover,
[data-theme="dark"] .modal-btn:hover:not(:disabled),
[data-theme="dark"] .metadata-summary:hover {
  background: #334155;
  color: var(--text);
}

[data-theme="dark"] .icon-btn.danger:hover,
[data-theme="dark"] .modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.22);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.45);
}

[data-theme="dark"] .page-card.selected,
[data-theme="dark"] .page-card.drop-before,
[data-theme="dark"] .page-card.drop-after {
  background: rgba(244, 63, 94, 0.14);
}

[data-theme="dark"] .page-thumb-wrap {
  background: #0f172a;
}

[data-theme="dark"] .metadata-badge.badge-keep,
[data-theme="dark"] .meta-state.state-saved {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

[data-theme="dark"] .metadata-badge.badge-strip,
[data-theme="dark"] .meta-state.state-stripped {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

[data-theme="dark"] .metadata-badge.badge-info,
[data-theme="dark"] .meta-state.state-updated {
  background: #334155;
  color: #cbd5e1;
}

[data-theme="dark"] .meta-state.state-edited {
  background: rgba(59, 130, 246, 0.22);
  color: #93c5fd;
}

[data-theme="dark"] .btn-link-danger {
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.12);
}

[data-theme="dark"] .btn-link-danger:hover {
  background: rgba(239, 68, 68, 0.22);
  color: #fecaca;
  border-color: rgba(239, 68, 68, 0.5);
}

[data-theme="dark"] .meta-row {
  border-bottom-color: var(--border);
}

[data-theme="dark"] .meta-row-editing {
  background: var(--surface-alt);
  border-color: var(--border-strong);
}

[data-theme="dark"] .meta-inline-save {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.45);
}

[data-theme="dark"] .meta-inline-save:hover {
  background: rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .meta-inline-clear {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
}

[data-theme="dark"] .meta-inline-clear:hover {
  background: rgba(239, 68, 68, 0.28);
}

[data-theme="dark"] .status-banner.error {
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

[data-theme="dark"] .status-banner.info {
  background: rgba(59, 130, 246, 0.14);
  border-color: rgba(59, 130, 246, 0.4);
  color: #93c5fd;
}

[data-theme="dark"] .result-card {
  border-color: rgba(16, 185, 129, 0.4);
}

[data-theme="dark"] .result-header {
  color: #6ee7b7;
}

[data-theme="dark"] .result-details {
  color: #a7f3d0;
}

[data-theme="dark"] .btn-secondary {
  background: #334155;
  color: #f8fafc;
  border-color: #475569;
}

[data-theme="dark"] .loading-card {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
}

[data-theme="dark"] .loading-spinner {
  border-color: rgba(59, 130, 246, 0.25);
  border-top-color: var(--accent-blue);
}

[data-theme="dark"] .loading-card-title-row strong {
  color: #bfdbfe;
}

[data-theme="dark"] .loading-percent {
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.22);
}

[data-theme="dark"] .loading-subtitle {
  color: #93c5fd;
}

[data-theme="dark"] .loading-progress-track {
  background: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .load-more-pages-card {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(59, 130, 246, 0.4);
  color: #bfdbfe;
}