/* ============================================================
   Design System Rank — Catalog CSS
   Estilos APENAS do catálogo (não da biblioteca ds/)
   Paleta: fundo #0f172a, surface #1e293b, texto #f1f5f9, accent #6366f1
   ============================================================ */

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

:root {
  --cat-bg: #0f172a;
  --cat-surface: #1e293b;
  --cat-surface-hover: #263548;
  --cat-border: #334155;
  --cat-text: #f1f5f9;
  --cat-text-muted: #94a3b8;
  --cat-text-faint: #64748b;
  --cat-accent: #6366f1;
  --cat-accent-hover: #818cf8;
  --cat-success: #10b981;
  --cat-warning: #f59e0b;
  --cat-danger: #ef4444;
  --cat-sidebar-width: 240px;
  --cat-font: 'Inter', system-ui, -apple-system, sans-serif;
  --cat-radius: 8px;
  --cat-radius-sm: 4px;
  --cat-radius-lg: 12px;
}

html, body {
  height: 100%;
  background-color: var(--cat-bg);
  color: var(--cat-text);
  font-family: var(--cat-font);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Layout
   ============================================================ */

.catalog-layout {
  display: flex;
  min-height: 100vh;
}

.catalog-sidebar {
  width: var(--cat-sidebar-width);
  min-width: var(--cat-sidebar-width);
  background-color: var(--cat-surface);
  border-right: 1px solid var(--cat-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
}

.catalog-main {
  margin-left: var(--cat-sidebar-width);
  flex: 1;
  padding: 40px 48px;
  max-width: 960px;
}

/* ============================================================
   Sidebar
   ============================================================ */

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--cat-border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--cat-text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--cat-accent);
  border-radius: var(--cat-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--cat-text);
}

.logo-sub {
  font-size: 11px;
  color: var(--cat-text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.nav-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cat-text-faint);
  padding: 0 8px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: var(--cat-radius-sm);
  text-decoration: none;
  color: var(--cat-text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: background-color 0.15s, color 0.15s;
  position: relative;
}

.nav-item:hover {
  background-color: var(--cat-surface-hover);
  color: var(--cat-text);
}

.nav-item.active {
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--cat-accent-hover);
}

.nav-icon {
  font-size: 12px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
}

.nav-badge.wip {
  background: rgba(245, 158, 11, 0.15);
  color: var(--cat-warning);
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--cat-border);
}

.version-badge {
  font-size: 11px;
  color: var(--cat-text-faint);
  font-family: 'Courier New', monospace;
}

/* ============================================================
   Page Header
   ============================================================ */

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--cat-text);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.page-description {
  font-size: 15px;
  color: var(--cat-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================================
   Section Title
   ============================================================ */

.section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--cat-text);
  margin-bottom: 16px;
}

.section-title.danger { color: var(--cat-danger); }
.section-title.success { color: var(--cat-success); }

/* ============================================================
   Principle Banner
   ============================================================ */

.principle-banner {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--cat-radius);
  padding: 16px 20px;
  margin-bottom: 32px;
}

.principle-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cat-accent);
  display: block;
  margin-bottom: 6px;
}

.principle-text {
  color: var(--cat-text);
  font-size: 14px;
  line-height: 1.6;
}

/* ============================================================
   Section Cards (Home)
   ============================================================ */

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.section-card {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 20px;
  text-decoration: none;
  color: var(--cat-text);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.15s, background-color 0.15s;
  position: relative;
}

.section-card:hover {
  background: var(--cat-surface-hover);
  border-color: var(--cat-accent);
}

.card-icon {
  font-size: 20px;
  color: var(--cat-accent);
}

.card-content {
  flex: 1;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--cat-text);
  margin-bottom: 4px;
}

.card-desc {
  font-size: 13px;
  color: var(--cat-text-muted);
  line-height: 1.5;
  margin-bottom: 6px;
}

.card-phase {
  font-size: 11px;
  color: var(--cat-text-faint);
}

.card-status {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 10px;
  align-self: flex-start;
}

.card-status.wip {
  background: rgba(245, 158, 11, 0.15);
  color: var(--cat-warning);
}

.card-status.available {
  background: rgba(16, 185, 129, 0.15);
  color: var(--cat-success);
}

/* ============================================================
   Layer Info
   ============================================================ */

.layer-info {
  margin-top: 40px;
}

.layer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.layer-card {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 20px;
}

.layer-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--cat-accent);
}

.layer-card p {
  font-size: 13px;
  color: var(--cat-text-muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

.layer-card code {
  font-size: 12px;
  font-family: 'Courier New', monospace;
  color: var(--cat-text-faint);
  background: rgba(255,255,255,0.04);
  padding: 2px 6px;
  border-radius: var(--cat-radius-sm);
}

/* ============================================================
   WIP Banner
   ============================================================ */

.wip-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--cat-radius);
  padding: 16px 20px;
  margin-bottom: 32px;
}

.wip-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.wip-banner strong {
  display: block;
  color: var(--cat-warning);
  font-size: 13px;
  margin-bottom: 4px;
}

.wip-banner p {
  color: var(--cat-text-muted);
  font-size: 13px;
  line-height: 1.5;
}

/* ============================================================
   Planned Content
   ============================================================ */

.planned-content {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 24px;
  margin-bottom: 24px;
}

.planned-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.planned-list li {
  font-size: 13px;
  color: var(--cat-text-muted);
  padding-left: 16px;
  position: relative;
}

.planned-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cat-text-faint);
}

.planned-list li strong {
  color: var(--cat-text);
}

/* ============================================================
   Code Preview
   ============================================================ */

.code-preview {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 24px;
  margin-bottom: 24px;
}

.code-preview h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--cat-text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-preview pre {
  overflow-x: auto;
}

.code-preview code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  color: #a5b4fc;
  line-height: 1.7;
}

/* ============================================================
   Theme Grid
   ============================================================ */

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.theme-card {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
  font-size: 12px;
  color: var(--cat-text-muted);
}

.theme-preview {
  width: 100%;
  height: 48px;
  border-radius: var(--cat-radius-sm);
  background: var(--cat-border);
}

.theme-preview.ads-intelligence { background: linear-gradient(135deg, #1a1a2e, #16213e); }
.theme-preview.rankmygeo { background: linear-gradient(135deg, #0d1b2a, #1b4332); }
.theme-preview.rioc { background: linear-gradient(135deg, #1c1c3a, #2d2d5e); }
.theme-preview.datarank { background: linear-gradient(135deg, #0f0f23, #1e3a5f); }
.theme-preview.rank-community { background: linear-gradient(135deg, #1a0a2e, #3d1a6e); }
.theme-preview.samurai-hub { background: linear-gradient(135deg, #1a0505, #4a0e0e); }
.theme-preview.postpigeon { background: linear-gradient(135deg, #0a1628, #1a3a5c); }

/* ============================================================
   Component List
   ============================================================ */

.component-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.component-group h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cat-accent);
  margin-bottom: 8px;
}

.component-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.component-group li {
  font-size: 13px;
  color: var(--cat-text-muted);
}

/* ============================================================
   Rules
   ============================================================ */

.rules-section {
  margin-bottom: 32px;
}

.rule-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rule-item {
  display: flex;
  gap: 12px;
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 16px;
}

.rule-list.danger .rule-item {
  border-color: rgba(239, 68, 68, 0.2);
}

.rule-list.success .rule-item {
  border-color: rgba(16, 185, 129, 0.2);
}

.rule-icon {
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.rule-list.danger .rule-icon { color: var(--cat-danger); }
.rule-list.success .rule-icon { color: var(--cat-success); }

.rule-item strong {
  display: block;
  font-size: 13px;
  color: var(--cat-text);
  margin-bottom: 4px;
}

.rule-item p {
  font-size: 12px;
  color: var(--cat-text-muted);
  margin-bottom: 6px;
  line-height: 1.5;
}

code.bad {
  display: block;
  font-size: 11px;
  font-family: 'Courier New', monospace;
  color: var(--cat-danger);
  background: rgba(239, 68, 68, 0.08);
  padding: 3px 8px;
  border-radius: var(--cat-radius-sm);
  margin-bottom: 3px;
}

code.good {
  display: block;
  font-size: 11px;
  font-family: 'Courier New', monospace;
  color: var(--cat-success);
  background: rgba(16, 185, 129, 0.08);
  padding: 3px 8px;
  border-radius: var(--cat-radius-sm);
}

/* ============================================================
   Steps
   ============================================================ */

.steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 12px 16px;
}

.step-num {
  width: 24px;
  height: 24px;
  background: var(--cat-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.step div {
  font-size: 13px;
  color: var(--cat-text-muted);
  padding-top: 2px;
}

/* ============================================================
   Prompts
   ============================================================ */

.prompt-section {
  margin-bottom: 32px;
}

.prompt-desc {
  font-size: 13px;
  color: var(--cat-text-muted);
  margin-bottom: 12px;
}

.prompt-box {
  background: var(--cat-surface);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 20px;
  position: relative;
}

.prompt-box pre {
  overflow-x: auto;
  margin-bottom: 12px;
}

.prompt-box code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  color: var(--cat-text-muted);
  line-height: 1.7;
}

.copy-btn {
  background: var(--cat-accent);
  color: #fff;
  border: none;
  border-radius: var(--cat-radius-sm);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s;
}

.copy-btn:hover {
  background: var(--cat-accent-hover);
}

/* ============================================================
   Generic inline code
   ============================================================ */

code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  background: rgba(255,255,255,0.06);
  padding: 1px 5px;
  border-radius: var(--cat-radius-sm);
  color: #a5b4fc;
}

/* ===== Token Page Styles ===== */
.catalog-page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.catalog-page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #f1f5f9;
  margin: 0 0 0.5rem;
}
.catalog-page-desc {
  color: #94a3b8;
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 680px;
  margin: 0 0 1rem;
}
.catalog-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.catalog-badge--stable {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.catalog-badge--wip {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.catalog-section {
  margin-bottom: 3rem;
  scroll-margin-top: 1rem;
}
.catalog-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #e2e8f0;
  margin: 0 0 0.375rem;
}
.catalog-section-desc {
  color: #94a3b8;
  font-size: 0.875rem;
  margin: 0 0 1.25rem;
}
.catalog-subsection { margin-bottom: 1.5rem; }
.catalog-subsection-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}
.catalog-token-list { display: flex; flex-direction: column; gap: 0.5rem; }
.catalog-token-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.05);
}
.catalog-token-name, .catalog-token-row code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: #a5b4fc;
  white-space: nowrap;
}
.catalog-token-preview { color: #cbd5e1; font-size: 0.9375rem; }
.catalog-type-scale { display: flex; flex-direction: column; gap: 0.5rem; }
.catalog-type-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  color: #e2e8f0;
}
.catalog-type-row code { font-size: 0.75rem; color: #6366f1; }
.catalog-spacing-scale { display: flex; flex-direction: column; gap: 0.625rem; }
.catalog-space-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.catalog-space-row code { font-size: 0.8125rem; color: #a5b4fc; min-width: 160px; font-family: monospace; }
.catalog-space-value { font-size: 0.8125rem; color: #64748b; min-width: 120px; }
.catalog-radius-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}
.catalog-radius-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.06);
}
.catalog-radius-preview {
  width: 60px;
  height: 60px;
  background: rgba(99, 102, 241, 0.25);
  border: 2px solid rgba(99, 102, 241, 0.5);
}
.catalog-radius-item code { font-size: 0.75rem; color: #a5b4fc; text-align: center; }
.catalog-radius-item span { font-size: 0.75rem; color: #64748b; }
.catalog-shadow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.5rem;
}
.catalog-shadow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.catalog-shadow-preview {
  width: 80px;
  height: 80px;
  background: #1e293b;
  border-radius: 8px;
}
.catalog-shadow-item code { font-size: 0.75rem; color: #a5b4fc; }
.catalog-zindex-list { display: flex; flex-direction: column; gap: 0.5rem; }

/* ---- Theme Switcher (catalog) ---- */
.catalog-theme-switcher {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--ds-color-bg-surface);
  border: 1px solid var(--ds-border-color-subtle);
  border-radius: 8px;
}
.catalog-theme-switcher__btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--ds-border-color-default);
  border-radius: 6px;
  background: transparent;
  color: var(--ds-color-text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}
.catalog-theme-switcher__btn:hover,
.catalog-theme-switcher__btn.active {
  background: var(--ds-color-primary);
  color: var(--ds-color-on-primary, #fff);
  border-color: var(--ds-color-primary);
}

/* ---- Component preview box ---- */
.catalog-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--ds-color-bg);
  border: 1px solid var(--ds-border-color-subtle);
  border-radius: 8px;
  margin-bottom: 1rem;
}
.catalog-preview--column {
  flex-direction: column;
  align-items: flex-start;
}
.catalog-code {
  background: var(--ds-color-bg-surface);
  border: 1px solid var(--ds-border-color-subtle);
  border-radius: 6px;
  padding: 1rem;
  font-family: var(--ds-font-family-mono);
  font-size: 0.75rem;
  color: var(--ds-color-text-secondary);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.5;
}
.catalog-component-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ds-color-text-tertiary);
  margin: 0.75rem 0 0.25rem;
}
.catalog-note {
  font-size: 0.8rem;
  color: var(--ds-color-text-tertiary);
  font-style: italic;
  margin-top: 0.5rem;
}
.catalog-section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--ds-border-color-subtle);
}
.catalog-section:last-child {
  border-bottom: none;
}