/* ═══════════════════════════════════════════
   Quents Docs — main.css
   Design system from quents.dev
═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* ── Variables ── */
:root {
  --bg:           #0E1116;
  --surface:      #161B22;
  --surface-2:    #1C2128;
  --border:       #2A323D;
  --text:         #E6E8EB;
  --text-muted:   #8B949E;
  --accent:       #E8954A;
  --accent-dim:   #B97A3D;
  --accent-bg:    rgba(232, 149, 74, 0.07);
  --green:        #4ADE80;
  --red:          #F87171;
  --yellow:       #FBBF24;
  --mono:         'IBM Plex Mono', monospace;
  --sans:         'IBM Plex Sans', sans-serif;
  --navbar-h:     54px;
  --sidebar-w:    256px;
  --toc-w:        216px;
  --radius:       6px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  min-height: 100vh;
}

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 0;
  z-index: 100;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: 28px;
  flex-shrink: 0;
}
.navbar-logo .logo-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  position: relative;
  flex-shrink: 0;
}
.navbar-logo .logo-icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.navbar-logo .logo-name {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.navbar-logo .logo-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 5px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.navbar-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-family: var(--sans);
  padding: 5px 11px;
  border-radius: var(--radius);
  transition: color 0.12s, background 0.12s;
  white-space: nowrap;
}
.navbar-nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.navbar-nav a.active { color: var(--accent); }

.navbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.navbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 10px 5px 9px;
  background: var(--bg);
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 12px;
  transition: border-color 0.12s;
  white-space: nowrap;
}
.navbar-search:hover { border-color: var(--accent); color: var(--text); }
.navbar-search kbd {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 10px;
  color: var(--text-muted);
}

.navbar-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 8px;
  margin-right: 4px;
}
.navbar-menu-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════
   DOCS LAYOUT
══════════════════════════════════════════ */
.docs-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--navbar-h);
}

/* ── Left Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: var(--navbar-h);
  height: calc(100vh - var(--navbar-h));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 0 48px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-section { margin-bottom: 4px; }
.sidebar-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 18px 6px;
  display: block;
  opacity: 0.7;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  font-size: 13.5px;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
  line-height: 1.3;
}
.nav-item:hover {
  color: var(--text);
  background: rgba(255,255,255,0.025);
}
.nav-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-bg);
  font-weight: 500;
}

/* ── Main Content Area ── */
.doc-main {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.doc-content {
  width: 100%;
  max-width: 800px;
  padding: 48px 48px 96px;
}

/* Typography */
.doc-content h1 {
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 20px;
}
.doc-content h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 52px 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  letter-spacing: -0.01em;
  scroll-margin-top: calc(var(--navbar-h) + 20px);
}
.doc-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 10px;
  letter-spacing: 0.01em;
  scroll-margin-top: calc(var(--navbar-h) + 20px);
}
.doc-content p {
  color: var(--text-muted);
  font-size: 14.5px;
  margin-bottom: 14px;
  line-height: 1.7;
}
.doc-content a { color: var(--accent); text-decoration: none; }
.doc-content a:hover { text-decoration: underline; }
.doc-content ul, .doc-content ol {
  padding-left: 22px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 14.5px;
}
.doc-content li { margin-bottom: 5px; line-height: 1.6; }
.doc-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.doc-content strong { color: var(--text); font-weight: 600; }

/* Lead paragraph */
.doc-lead {
  font-size: 16px !important;
  color: var(--text-muted) !important;
  margin-bottom: 32px !important;
  line-height: 1.6 !important;
}

/* Version / info badge */
.info-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 13px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.info-badge .badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Blockquote */
.doc-content blockquote {
  border-left: 3px solid var(--accent);
  background: var(--accent-bg);
  padding: 12px 16px 12px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 16px 0;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.65;
}
.doc-content blockquote p { margin: 0; font-size: 13.5px; }
.doc-content blockquote strong { color: var(--accent); }

/* Warning blockquote */
.doc-content blockquote.warn {
  border-left-color: var(--yellow);
  background: rgba(251, 191, 36, 0.06);
}
.doc-content blockquote.warn strong { color: var(--yellow); }

/* Inline code */
.doc-content :not(pre) > code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--accent);
  word-break: break-word;
}

/* ── Code Block ── */
.code-block {
  position: relative;
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.code-lang {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 9px;
  transition: color 0.12s, border-color 0.12s;
}
.copy-btn:hover { color: var(--text); border-color: var(--accent); }
.code-block pre {
  padding: 18px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.code-block pre::-webkit-scrollbar { height: 4px; }
.code-block pre::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Inline highlights inside code blocks */
.code-block pre .prompt   { color: var(--accent); user-select: none; }
.code-block pre .comment  { color: var(--text-muted); font-style: italic; }
.code-block pre .ok       { color: var(--green); }
.code-block pre .warn-txt { color: var(--yellow); }
.code-block pre .err      { color: var(--red); }

/* ── Table ── */
.doc-table-wrap { overflow-x: auto; margin: 16px 0; border-radius: var(--radius); border: 1px solid var(--border); }
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.doc-table th {
  background: var(--surface-2);
  padding: 9px 14px;
  text-align: left;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.doc-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: top;
  line-height: 1.5;
}
.doc-table tr:last-child td { border-bottom: none; }
.doc-table tbody tr:hover td { background: rgba(255,255,255,0.015); }
.doc-table td code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--accent);
  white-space: nowrap;
}
.doc-table td strong { color: var(--text); }
.badge-free {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(74, 222, 128, 0.1);
  color: var(--green);
  border-radius: 4px;
  padding: 2px 7px;
}
.badge-paid {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: 4px;
  padding: 2px 7px;
}
.badge-yes { color: var(--green); font-weight: 600; }
.badge-no  { color: var(--text-muted); }

/* ── Right TOC ── */
.toc-sidebar {
  width: var(--toc-w);
  flex-shrink: 0;
  position: sticky;
  top: var(--navbar-h);
  height: calc(100vh - var(--navbar-h));
  overflow-y: auto;
  padding: 32px 16px 48px;
  border-left: 1px solid var(--border);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.toc-label {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: block;
  opacity: 0.7;
}
.toc-item {
  display: block;
  font-size: 12.5px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 5px 0 5px 12px;
  border-left: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
  line-height: 1.4;
}
.toc-item:hover { color: var(--text); border-left-color: var(--border); }
.toc-item.active { color: var(--accent); border-left-color: var(--accent); }
.toc-item.l2 { padding-left: 22px; font-size: 11.5px; }

/* ══════════════════════════════════════════
   HOME PAGE
══════════════════════════════════════════ */
.home-layout {
  min-height: 100vh;
  padding-top: var(--navbar-h);
}

.home-hero {
  max-width: 820px;
  margin: 0 auto;
  padding: 80px 32px 52px;
  text-align: center;
}
.home-hero h1 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 18px;
}
.home-hero h1 .accent { color: var(--accent); }
.home-hero p {
  color: var(--text-muted);
  font-size: 16.5px;
  line-height: 1.65;
  max-width: 500px;
  margin: 0 auto;
}

.home-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 32px 60px;
}
.home-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 20px;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.home-card:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.home-card-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--accent-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.home-card h3 {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}
.home-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

.home-topics {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 32px 80px;
}
.home-topics h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.topic-list { display: flex; flex-direction: column; }
.topic-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  border: 1px solid var(--border);
  border-bottom: none;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  transition: background 0.12s, color 0.12s;
}
.topic-row:first-child { border-radius: 8px 8px 0 0; }
.topic-row:last-child { border-bottom: 1px solid var(--border); border-radius: 0 0 8px 8px; }
.topic-row:hover { background: var(--surface); color: var(--accent); }
.topic-row:hover svg { color: var(--accent); }
.topic-row svg { flex-shrink: 0; color: var(--border); }

.home-footer {
  border-top: 1px solid var(--border);
  padding: 24px 32px;
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}
.home-footer a { color: var(--text-muted); text-decoration: none; }
.home-footer a:hover { color: var(--accent); }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1100px) {
  .toc-sidebar { display: none; }
}
@media (max-width: 800px) {
  .doc-content { padding: 32px 28px 64px; }
  .home-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .sidebar {
    position: fixed;
    top: var(--navbar-h); left: 0; bottom: 0;
    z-index: 90;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: none;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }
  .navbar-menu-btn { display: flex; }
  .doc-content { padding: 24px 18px 56px; }
  .navbar-nav { display: none; }
  .home-hero { padding: 48px 20px 36px; }
  .home-cards { padding: 0 20px 48px; }
  .home-topics { padding: 0 20px 60px; }
}
@media (max-width: 480px) {
  .home-cards { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ══════════════════════════════════════════
   ADDITIONS — auto-lead paragraph + loader
══════════════════════════════════════════ */

/* First paragraph right after h1 gets lead treatment automatically */
.doc-content h1 + p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

/* Version/info callout from blockquote at top */
.doc-content > blockquote:first-of-type {
  margin-top: 0;
  margin-bottom: 28px;
}

/* Loading indicator */
.md-loading {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-muted);
  padding: 40px 0;
}
.md-loading::after {
  content: '';
  display: inline-block;
  width: 4px; height: 14px;
  background: var(--accent);
  margin-left: 6px;
  vertical-align: middle;
  animation: blink 0.9s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }