/* Key Command Converter — Styles */

:root {
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-400: #fbbf24;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --green-100: #dcfce7;
  --green-600: #16a34a;
  --green-700: #15803d;
  --red-100: #fee2e2;
  --red-600: #dc2626;
  --white: #ffffff;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--slate-800);
  background: var(--slate-50);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.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;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  background: var(--amber-600);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 8px;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--slate-800);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo svg {
  color: var(--amber-600);
  flex-shrink: 0;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-list a {
  text-decoration: none;
  color: var(--slate-600);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--amber-700);
  border-bottom-color: var(--amber-400);
  outline: none;
}

/* Main layout */
.page-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 20px 40px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  flex: 1;
}

/* Compare panel */
.compare-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.panel-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
}

.panel-subtitle {
  color: var(--slate-500);
  margin-top: 6px;
  font-size: 0.95rem;
}

.app-selectors {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.selector-group {
  flex: 1;
  min-width: 160px;
}

.selector-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.app-select {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  border: 1.5px solid var(--slate-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--slate-800);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.app-select:focus-visible {
  outline: 2px solid var(--amber-400);
  outline-offset: 2px;
  border-color: var(--amber-400);
}

.swap-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--slate-300);
  background: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-600);
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
  margin-bottom: 2px;
}

.swap-btn:hover,
.swap-btn:focus-visible {
  background: var(--amber-50);
  border-color: var(--amber-400);
  color: var(--amber-700);
  outline: none;
}

.comparison-status {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--slate-500);
  min-height: 1.4em;
}

.table-wrapper {
  margin-top: 16px;
}

.table-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--slate-700);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.action-btn:hover,
.action-btn:focus-visible {
  background: var(--slate-100);
  border-color: var(--slate-400);
  outline: none;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--slate-500);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--slate-200);
}

.comparison-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--slate-100);
  vertical-align: middle;
}

.comparison-table tbody tr:hover {
  background: var(--amber-50);
}

.match-exact {
  background: var(--green-100);
}

.match-exact td:first-child {
  border-left: 3px solid var(--green-600);
}

.match-similar {
  background: var(--amber-50);
}

.match-similar td:first-child {
  border-left: 3px solid var(--amber-400);
}

.match-missing {
  color: var(--slate-400);
}

.match-missing td:first-child {
  border-left: 3px solid var(--slate-300);
}

.shortcut-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--slate-100);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--slate-200);
  white-space: nowrap;
}

.match-missing .shortcut-badge {
  background: transparent;
  border-style: dashed;
  color: var(--slate-400);
}

.copy-row-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--slate-400);
  padding: 4px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  display: inline-flex;
  align-items: center;
}

.copy-row-btn:hover,
.copy-row-btn:focus-visible {
  color: var(--amber-700);
  background: var(--amber-100);
  outline: none;
}

.copied-feedback {
  font-size: 0.75rem;
  color: var(--green-600);
  margin-left: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}

.copied-feedback.show {
  opacity: 1;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--slate-500);
}

.empty-icon {
  color: var(--slate-300);
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 1rem;
  margin-bottom: 4px;
}

.empty-hint {
  font-size: 0.85rem;
  color: var(--slate-400);
}

/* Sidebar */
.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-block {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.info-block h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 10px;
}

.info-block p {
  font-size: 0.9rem;
  color: var(--slate-600);
  margin-bottom: 10px;
}

.info-block p:last-child {
  margin-bottom: 0;
}

.tip-list,
.mistake-list {
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--slate-600);
}

.tip-list li,
.mistake-list li {
  margin-bottom: 8px;
}

.mistake-list {
  list-style: disc;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--slate-100);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--slate-300);
}

.faq-list dt {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--slate-700);
  margin-top: 12px;
}

.faq-list dd {
  font-size: 0.85rem;
  color: var(--slate-500);
  margin-left: 0;
  margin-top: 4px;
}

/* Footer */
.site-footer {
  background: var(--slate-800);
  color: var(--slate-300);
  padding: 20px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

.footer-nav {
  display: flex;
  gap: 16px;
}

.footer-nav a {
  color: var(--slate-400);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-nav a:hover {
  color: var(--amber-400);
}

/* Print */
@media print {
  .site-header,
  .site-footer,
  .content-sidebar,
  .table-actions,
  .swap-btn,
  .copy-row-btn,
  .empty-state,
  .comparison-status,
  .panel-subtitle {
    display: none !important;
  }

  .page-layout {
    display: block;
    padding: 0;
  }

  .compare-panel {
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .comparison-table {
    font-size: 0.75rem;
  }

  .shortcut-badge {
    border: 1px solid #000;
    background: none;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr;
  }

  .content-sidebar {
    order: 2;
  }

  .compare-panel {
    padding: 20px;
  }

  .app-selectors {
    flex-direction: column;
    align-items: stretch;
  }

  .swap-btn {
    align-self: center;
    transform: rotate(90deg);
  }

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

  .comparison-table {
    min-width: 500px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .header-inner {
    flex-direction: column;
    gap: 8px;
  }

  .panel-header h1 {
    font-size: 1.3rem;
  }
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}