/* ============================================
   Docs pages — shared styles
   ============================================ */

/* ---- Active nav link ---- */

.nav-active {
  color: var(--text) !important;
}

/* ---- Docs hub (index page) ---- */

.docs-hub {
  padding-top: calc(64px + 80px);
  padding-bottom: 120px;
  min-height: 80vh;
}

.docs-hub-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 500;
  margin-bottom: 12px;
}

.docs-hub-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 56px;
}

.docs-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.docs-hub-card {
  display: block;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}
.docs-hub-card:hover {
  border-color: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
  color: var(--text);
}

.docs-hub-card--dev .docs-hub-card-icon {
  color: var(--green);
}
.docs-hub-card--dev:hover {
  border-color: var(--green-soft);
}

.docs-hub-card--arch .docs-hub-card-icon {
  color: #c07a82;
}
.docs-hub-card--arch:hover {
  border-color: #c07a8244;
}

.docs-hub-card-icon {
  color: var(--accent);
  margin-bottom: 24px;
}

.docs-hub-card-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
}

.docs-hub-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.docs-hub-card-topics {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.docs-hub-card-topics li {
  font-size: 14px;
  color: var(--text-dim);
  padding-left: 20px;
  position: relative;
}
.docs-hub-card-topics li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--text-dim);
  opacity: 0.4;
}

/* ---- Docs layout (sidebar + content) ---- */

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 64px;
  min-height: 100vh;
}

/* ---- Sidebar ---- */

.docs-sidebar {
  border-right: 1px solid var(--border);
  padding: 40px 24px 60px;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}

.docs-sidebar-inner {
  padding-top: 8px;
}

.docs-sidebar-heading {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.docs-sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.docs-sidebar-nav a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}
.docs-sidebar-nav a:hover {
  color: var(--text);
  background: var(--bg-surface);
}
.docs-sidebar-nav a.active {
  color: var(--text);
  background: var(--bg-raised);
}

/* ---- Main content ---- */

.docs-main {
  padding: 40px 48px 120px;
  overflow-x: hidden;
}

.docs-content {
  max-width: 720px;
}

.docs-content h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 500;
  margin-bottom: 16px;
  padding-top: 8px;
}

.docs-lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 48px;
}

.docs-content h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  margin-top: 56px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.docs-content h3 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 500;
  margin-top: 36px;
  margin-bottom: 12px;
}

.docs-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
}

.docs-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.docs-content ul,
.docs-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.docs-content li {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}
.docs-content li strong {
  color: var(--text);
  font-weight: 500;
}

.docs-content code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.88em;
  background: var(--bg-raised);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

.docs-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-underline-offset: 3px;
}
.docs-content a:hover {
  color: var(--text);
}

/* ---- Code blocks ---- */

.docs-code {
  margin-bottom: 20px;
  border-radius: 10px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  overflow: hidden;
}

.docs-code pre {
  padding: 20px 24px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13.5px;
  line-height: 1.75;
  overflow-x: auto;
  color: var(--text-muted);
}

.docs-code code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  color: inherit;
}

/* ---- Callouts ---- */

.docs-callout {
  padding: 20px 24px;
  border-radius: 10px;
  margin-bottom: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}
.docs-callout strong {
  color: var(--text);
}

.docs-callout--info {
  background: var(--accent-glow);
  border: 1px solid var(--accent-soft);
}

.docs-callout--tip {
  background: var(--green-soft);
  border: 1px solid #7d9b7644;
}

/* ---- Tables ---- */

.docs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 14px;
}

.docs-table th {
  text-align: left;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

.docs-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  line-height: 1.6;
}

.docs-table td code {
  font-size: 13px;
}

/* ---- Responsive ---- */

@media (max-width: 860px) {
  .docs-hub-grid {
    grid-template-columns: 1fr;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 24px;
  }

  .docs-main {
    padding: 32px 24px 80px;
  }
}