/* ============================================================
   PDF Tools Hub — Design System
   Cabinet Grotesk (display) + Satoshi (body)
   Primary: #e63946 (red — PDF brand color)
   Pure white, no dark mode
   ============================================================ */

@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@400,500,700,800&f[]=satoshi@400,500,700&display=swap');

/* === TOKENS === */
:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #fafafa;
  --color-surface-offset: #f4f5f7;
  --color-border: #e2e4ec;
  --color-divider: #eceef4;
  --color-text: #1a1d2e;
  --color-text-muted: #6b7280;
  --color-text-faint: #b0b7c3;
  --color-primary: #e63946;
  --color-primary-hover: #c62c39;
  --color-primary-light: #fff1f2;
  --color-success: #16a34a;
  --color-success-light: #f0fdf4;
  --color-warning: #d97706;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Shape */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.09);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

  /* Transition */
  --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --content-default: 960px;
  --content-wide: 1200px;
  --content-narrow: 640px;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, sans-serif;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-size-adjust: none;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; height: auto; }
input, button, select, textarea { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.2; font-family: var(--font-display); }
p, li { text-wrap: pretty; max-width: 68ch; }
a { color: inherit; }
button { cursor: pointer; background: none; border: none; }
ul[role='list'], ol[role='list'] { list-style: none; }
::selection { background: rgba(230,57,70,0.15); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* === LAYOUT === */
.container { width: 100%; max-width: var(--content-default); margin-inline: auto; padding-inline: var(--space-5); }
.container--wide { max-width: var(--content-wide); }
.container--narrow { max-width: var(--content-narrow); }

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container--wide {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-accent { color: var(--color-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  flex: 1;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--color-text); background: var(--color-surface-offset); }
.header-actions { margin-left: auto; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(230,57,70,0.3); }
@media (max-width: 640px) { .nav-links { display: none; } }

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) 0 var(--space-8);
  margin-top: var(--space-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col ul a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--color-primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-2); text-align: center; }
}

/* === BREADCRUMB === */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { color: var(--color-text-faint); }

/* === TOOL PAGE LAYOUT === */
.tool-page { padding: var(--space-10) 0 var(--space-16); }
.tool-header { text-align: center; margin-bottom: var(--space-8); }
.tool-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tool-header h1 {
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}
.tool-header p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
}

/* === UPLOAD ZONE === */
.upload-card {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
  cursor: pointer;
  margin-bottom: var(--space-6);
  position: relative;
}
.upload-card:hover, .upload-card.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.upload-card input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.upload-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  color: var(--color-primary);
}
.upload-card h2 { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-2); }
.upload-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); }
.upload-hint { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); }
.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}
.btn-upload:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(230,57,70,0.3); }

/* === FILE LIST === */
.file-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.file-item-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.file-item-info { flex: 1; min-width: 0; }
.file-item-name {
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-item-size { font-size: var(--text-xs); color: var(--color-text-muted); }
.file-item-remove {
  background: none;
  border: none;
  color: var(--color-text-faint);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  flex-shrink: 0;
}
.file-item-remove:hover { color: var(--color-primary); }

/* === TOOL ACTIONS === */
.tool-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.btn-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-base);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-action:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(230,57,70,0.3); }
.btn-action:disabled { background: var(--color-text-faint); cursor: not-allowed; transform: none; box-shadow: none; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }

/* === PROGRESS / STATUS === */
.progress-wrap {
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
  margin: var(--space-4) 0;
}
.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  width: 0%;
}
.status-message {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.status-message.processing { background: #fef3c7; color: var(--color-warning); }
.status-message.success { background: var(--color-success-light); color: var(--color-success); }
.status-message.error { background: var(--color-primary-light); color: var(--color-primary); }

/* === RESULT DOWNLOAD === */
.result-card {
  background: var(--color-success-light);
  border: 2px solid #bbf7d0;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  margin-bottom: var(--space-6);
}
.result-card h3 { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-2); color: var(--color-success); }
.result-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); }
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-success);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-base);
  border-radius: var(--radius-full);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-download:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(22,163,74,0.3); }

/* === OPTIONS PANEL === */
.options-panel {
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-5);
}
.options-panel h3 { font-size: var(--text-sm); font-weight: 700; margin-bottom: var(--space-4); color: var(--color-text); }
.option-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.option-group:last-child { margin-bottom: 0; }
.option-group label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.option-group select, .option-group input[type="number"], .option-group input[type="text"] {
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition);
}
.option-group select:focus, .option-group input:focus { border-color: var(--color-primary); }
.radio-group { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.radio-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition);
  background: var(--color-surface);
}
.radio-option:hover { border-color: var(--color-primary); }
.radio-option.selected { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); font-weight: 700; }

/* === CONTENT SECTIONS === */
.content-sections { margin-top: var(--space-12); }
.content-section { margin-bottom: var(--space-10); }
.content-section h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-divider);
}
.steps-list { display: flex; flex-direction: column; gap: var(--space-4); }
.step-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.step-num {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 800;
  flex-shrink: 0;
}
.step-content h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-1); }
.step-content p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: var(--space-2); }
.faq-item { border: 1.5px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
  border: none;
  gap: var(--space-4);
}
.faq-question:hover { background: var(--color-surface-offset); }
.faq-chevron { flex-shrink: 0; transition: transform 0.2s ease; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer { display: none; padding: var(--space-4) var(--space-5); font-size: var(--text-sm); color: var(--color-text-muted); border-top: 1px solid var(--color-divider); line-height: 1.7; }
.faq-item.open .faq-answer { display: block; }

/* === RELATED TOOLS === */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}
.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-surface);
  transition: all var(--transition);
  text-align: center;
}
.tool-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.tool-card .tool-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.tool-card strong { font-size: var(--text-sm); font-weight: 700; line-height: 1.3; }
.tool-card span { font-size: var(--text-xs); color: var(--color-text-muted); }

/* === HOME HERO === */
.hero {
  padding: clamp(var(--space-12), 8vw, var(--space-20)) 0 var(--space-12);
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}
.hero h1 em { color: var(--color-primary); font-style: normal; }
.hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}
.hero-search {
  display: flex;
  gap: var(--space-2);
  max-width: 480px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-5);
  transition: border-color var(--transition);
}
.hero-search:focus-within { border-color: var(--color-primary); }
.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--text-sm);
  background: transparent;
}
.hero-search button {
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  transition: background var(--transition);
}
.hero-search button:hover { background: var(--color-primary-hover); }
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.hero-stat strong { display: block; font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; color: var(--color-primary); }
.hero-stat span { font-size: var(--text-xs); color: var(--color-text-muted); }

/* === HOME CATEGORIES === */
.section-title {
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-2);
}
.section-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.home-section { padding: var(--space-12) 0; }
.home-section + .home-section { border-top: 1px solid var(--color-divider); }

/* Home tools grid (larger cards) */
.home-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}
.home-tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-surface);
  transition: all var(--transition);
}
.home-tool-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.home-tool-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.home-tool-card strong { font-size: var(--text-base); font-weight: 700; }
.home-tool-card p { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; margin-bottom: 0; }
.card-arrow { margin-top: auto; display: flex; align-items: center; gap: var(--space-1); font-size: var(--text-xs); color: var(--color-primary); font-weight: 600; }

/* === SEARCH FILTER === */
.search-bar {
  position: relative;
  margin-bottom: var(--space-6);
}
.search-bar svg { position: absolute; left: var(--space-4); top: 50%; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
.search-bar input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 22px + var(--space-2));
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  background: var(--color-surface);
  outline: none;
  transition: border-color var(--transition);
}
.search-bar input:focus { border-color: var(--color-primary); }

/* === AD PLACEHOLDERS === */
.ad-slot {
  background: var(--color-surface-offset);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ad-slot--banner { height: 90px; margin-bottom: var(--space-6); }
.ad-slot--sidebar { height: 280px; margin-bottom: var(--space-5); }

/* === TWO-COLUMN LAYOUT === */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-8);
  align-items: start;
}
.sidebar {}
.sidebar-widget {
  background: var(--color-surface-offset);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}
.sidebar-widget h3 { font-size: var(--text-sm); font-weight: 700; margin-bottom: var(--space-4); }
@media (max-width: 860px) { .page-layout { grid-template-columns: 1fr; } .sidebar { display: none; } }

/* === THUMBNAIL PREVIEW === */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.preview-thumb {
  aspect-ratio: 3/4;
  background: var(--color-surface-offset);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-thumb canvas { max-width: 100%; max-height: 100%; }
.preview-thumb .page-num {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
}

/* === DRAG HANDLE === */
.sortable-file {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: grab;
  transition: box-shadow var(--transition);
}
.sortable-file:active { cursor: grabbing; }
.sortable-file.dragging { opacity: 0.5; box-shadow: var(--shadow-lg); }
.drag-handle { color: var(--color-text-faint); flex-shrink: 0; }
.sortable-file .file-info { flex: 1; min-width: 0; }
.sortable-file .file-name { font-size: var(--text-sm); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sortable-file .file-size { font-size: var(--text-xs); color: var(--color-text-muted); }

/* === TRUST BADGES === */
.trust-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  margin: var(--space-8) 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
}
.trust-item svg { color: var(--color-success); }

/* Utility */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }