/* ============================================
   Gab — Technical Knowledge Base
   Wiki Architecture Stylesheet
   ============================================ */

@import '../variables.css';

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Override default container width */
  --container: 960px;

  /* Doc-specific variables */
  --code-bg: #1a1a2e;
  --code-border: rgba(108, 92, 231, 0.2);
  --infobox-bg: #111114;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

/* ---------- Doc Layout ---------- */
.doc-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ---------- Breadcrumb ---------- */
.doc-breadcrumb {
  padding: 20px 0;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.doc-breadcrumb a {
  color: var(--text-tertiary);
}

.doc-breadcrumb a:hover {
  color: var(--accent-light);
}

.doc-breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.4;
}

/* ---------- Doc Header ---------- */
.doc-header {
  margin-bottom: 48px;
}

.doc-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  color: var(--text);
}

.doc-meta {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.doc-meta .tag {
  background: var(--accent-glow);
  color: var(--accent-light);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Abstract ---------- */
.doc-abstract {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  margin-bottom: 40px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- Gab Stack Infobox ---------- */
.gab-stack-infobox {
  float: right;
  width: 280px;
  margin: 0 0 24px 32px;
  background: var(--infobox-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gab-stack-infobox .infobox-header {
  background: var(--accent);
  padding: 10px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #fff;
}

.gab-stack-infobox table {
  width: 100%;
  border-collapse: collapse;
}

.gab-stack-infobox td {
  padding: 10px 16px;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.gab-stack-infobox td:first-child {
  color: var(--text-tertiary);
  font-weight: 600;
  width: 110px;
  white-space: nowrap;
}

.gab-stack-infobox td:last-child {
  color: var(--text);
}

.gab-stack-infobox tr:last-child td {
  border-bottom: none;
}

.complexity-low {
  color: var(--success) !important;
}

.complexity-medium {
  color: var(--warning) !important;
}

.complexity-high {
  color: #FF453A !important;
}

/* ---------- Content Sections ---------- */
.doc-content {
  clear: none;
}

.doc-content::after {
  content: '';
  display: table;
  clear: both;
}

.doc-section {
  margin-bottom: 48px;
}

.doc-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.doc-section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin: 24px 0 12px;
}

.doc-section p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.doc-section ul,
.doc-section ol {
  margin: 0 0 16px 20px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.doc-section li {
  margin-bottom: 6px;
}

.doc-section li code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--accent-light);
}

/* ---------- Code Blocks ---------- */
pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-xs);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 20px;
  position: relative;
}

pre code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text);
  background: none;
  padding: 0;
}

code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  background: var(--code-bg);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.84rem;
  color: var(--accent-light);
}

.code-label {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  padding: 3px 10px;
  border-radius: 0 7px 0 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Integration Links ---------- */
.integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.integration-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 20px;
  transition: border-color var(--transition), background var(--transition);
}

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

.integration-card h4 {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.integration-card h4 a {
  color: var(--text);
}

.integration-card h4 a:hover {
  color: var(--accent-light);
}

.integration-card p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin: 0;
  line-height: 1.5;
}

/* ---------- Tables ---------- */
.doc-section table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 0.88rem;
}

.doc-section th {
  background: var(--surface);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border);
}

.doc-section td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

/* ---------- Callout Boxes ---------- */
.callout {
  padding: 16px 20px;
  border-radius: var(--radius-xs);
  margin-bottom: 20px;
  font-size: 0.88rem;
}

.callout-note {
  background: rgba(108, 92, 231, 0.08);
  border-left: 3px solid var(--accent);
  color: var(--text-secondary);
}

.callout-warn {
  background: rgba(255, 159, 10, 0.08);
  border-left: 3px solid var(--warning);
  color: var(--text-secondary);
}

/* ---------- Footer ---------- */
.doc-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.doc-footer a {
  color: var(--text-tertiary);
}

.doc-footer a:hover {
  color: var(--accent-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .gab-stack-infobox {
    float: none;
    width: 100%;
    margin: 0 0 32px 0;
  }

  .doc-title {
    font-size: 1.6rem;
  }

  .doc-container {
    padding: 0 16px 60px;
  }

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

  .doc-footer {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .doc-title {
    font-size: 1.35rem;
  }

  pre {
    padding: 14px;
    font-size: 0.78rem;
  }
}