/*
 * ThreVox API reference - static site, no framework.
 * Tokens mirror docs/design/ui-design-system.md (dark industrial, flat, no gradients).
 */

:root {
  --bg: #0b0d12;
  --surface: #141821;
  --surface-2: #1c2230;
  --border: #2a3242;
  --text: #f4f6fb;
  --muted: #99a2b5;
  --primary: #6d5ef6;
  --primary-600: #5a4be6;
  --primary-400: #8b7dff;
  --live: #22d3a6;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f5556b;
  --info: #38bdf8;
  --live-40: rgba(34, 211, 166, 0.4);
  --idle: #566073;
  --code-fg: #dee3ef;

  --radius: 8px;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Barlow Semi Condensed", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;
}

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

html { color-scheme: dark; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.5 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary); color: #ffffff; }

:focus-visible {
  outline: 2px solid var(--primary-400);
  outline-offset: 2px;
  border-radius: 2px;
}

.topline { height: 2px; background: var(--primary); }

/* ------------------------------ layout ------------------------------ */

.layout {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
}

/* ------------------------------ brand ------------------------------ */

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand-mark, .brand-wordmark { flex: none; }

.brand-chip {
  font: 500 9px var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--live);
  border: 1px solid var(--live-40);
  border-radius: 999px;
  padding: 3px 7px;
}

/* ------------------------------ sidebar ------------------------------ */

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 20px 20px 24px;
  border-right: 1px solid var(--border);
  background: var(--bg);
}

.sidebar-brand {
  padding: 6px 8px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.nav-group {
  margin: 20px 12px 8px;
  font: 500 10px var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--idle);
}

.side-nav a {
  display: block;
  padding: 7px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.12s, background-color 0.12s, border-color 0.12s;
}

.side-nav a:hover { color: var(--text); background: var(--surface); }
.side-nav a.active { color: var(--text); background: var(--surface); border-left-color: var(--primary); }

.side-foot {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 8px;
}

.side-foot a { color: var(--muted); text-decoration: none; font-size: 12.5px; transition: color 0.12s; }
.side-foot a:hover { color: var(--text); }

/* ------------------------------ mobile bar ------------------------------ */

.mobile-bar { display: none; }

.nav-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
}

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

.content {
  max-width: 860px;
  padding: 8px 56px 0;
}

.content section {
  padding: 56px 0;
  border-bottom: 1px solid var(--surface-2);
  scroll-margin-top: 20px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.kicker::before { content: ""; width: 22px; height: 1px; background: var(--primary-400); }
.kicker b { color: var(--primary-400); font-weight: 500; }

h1 { font: 600 40px/1.1 var(--font-display); letter-spacing: -0.01em; margin: 16px 0; }
h2 { font: 600 27px/1.15 var(--font-display); letter-spacing: 0; margin: 0 0 14px; }
h3 { font: 600 16px var(--font-sans); margin: 30px 0 8px; }

.content p { color: var(--muted); font-size: 15px; line-height: 1.65; margin: 10px 0; }
.content a { color: var(--primary-400); }

.svc {
  font: 500 10px var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
  margin-left: 10px;
  vertical-align: 4px;
}

/* inline code */
p code, td code, li code {
  font: 500 12.5px var(--font-mono);
  color: var(--code-fg);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5px 6px;
  white-space: nowrap;
}

/* ------------------------------ endpoint row ------------------------------ */

.endpoint {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 36px 0 10px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.endpoint code {
  font: 500 14px var(--font-mono);
  color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
}

.method {
  flex: none;
  font: 500 10.5px var(--font-mono);
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid;
}

.get  { color: var(--live);        background: rgba(34, 211, 166, 0.1);  border-color: rgba(34, 211, 166, 0.35); }
.post { color: var(--primary-400); background: rgba(109, 94, 246, 0.12); border-color: rgba(109, 94, 246, 0.45); }
.put  { color: var(--warning);     background: rgba(251, 191, 36, 0.1);  border-color: rgba(251, 191, 36, 0.35); }
.delete { color: var(--danger);    background: rgba(245, 85, 107, 0.1);  border-color: rgba(245, 85, 107, 0.35); }

/* ------------------------------ code blocks ------------------------------ */

.code {
  position: relative;
  margin: 18px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.code figcaption {
  padding: 9px 14px;
  font: 500 10px var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--surface-2);
}

.code pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
}

.code pre code {
  font: 400 13px/1.6 var(--font-mono);
  color: var(--code-fg);
}

.copy-btn {
  position: absolute;
  top: 5px;
  right: 8px;
  height: 24px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  font: 500 10.5px var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s;
}

.copy-btn:hover { color: var(--text); border-color: var(--primary-400); }
.copy-btn.copied { color: var(--live); border-color: var(--live-40); }

/* ------------------------------ tables ------------------------------ */

.table-scroll {
  margin: 18px 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
}

table { width: 100%; min-width: 560px; border-collapse: collapse; }

th {
  text-align: left;
  padding: 10px 14px;
  font: 500 10.5px var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  border-bottom: 1px solid var(--surface-2);
  vertical-align: top;
}

tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; }

/* ------------------------------ callout ------------------------------ */

.callout {
  margin: 20px 0;
  padding: 14px 18px;
  background: rgba(109, 94, 246, 0.07);
  border: 1px solid rgba(109, 94, 246, 0.4);
  border-radius: 10px;
}

.callout p { margin: 0; }
.callout b { color: var(--text); font-weight: 600; }

/* ------------------------------ footer ------------------------------ */

.content-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 28px;
  color: var(--muted);
  font-size: 13px;
}

.foot-rev { font: 400 11px var(--font-mono); letter-spacing: 0.12em; }

/* ------------------------------ responsive ------------------------------ */

@media (max-width: 960px) {
  .layout { display: block; }

  .mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    height: 60px;
    padding: 0 20px;
    background: rgba(11, 13, 18, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }

  .sidebar {
    position: fixed;
    top: 62px;
    left: 0;
    bottom: 0;
    z-index: 45;
    width: min(320px, 84vw);
    transform: translateX(-102%);
    transition: transform 0.18s ease-out;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  }

  .sidebar.open { transform: none; }
  .sidebar-brand { display: none; }

  .content { padding: 0 24px; }
  .content section { padding: 44px 0; scroll-margin-top: 76px; }
  h1 { font-size: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}