/* VoltUtility NG — API documentation page
   Self-contained: shares the product's tokens, fonts and radius scale. */

:root {
  --bg: #eef1f6;
  --panel: #ffffff;
  --card: #f5f7fa;
  --border: #e1e6ee;
  --border-strong: #c9d3e0;
  --text: #0b1526;
  --muted: #5a6b85;
  --accent: #16a34a;
  --accent-strong: #15803d;
  --accent-soft: rgba(22, 163, 74, 0.12);
  --amber: #d97706;
  --amber-soft: rgba(217, 119, 6, 0.14);
  --red: #dc2626;
  --red-soft: rgba(220, 38, 38, 0.1);
  --code-bg: #12203a;
  --code-text: #e6edf7;
  --radius: 16px;
  --shadow-sm: 0 8px 22px rgba(15, 23, 42, 0.07);
  --shadow: 0 18px 44px rgba(15, 23, 42, 0.1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.62;
}

a { color: var(--accent-strong); }

.mono, code, kbd, pre { font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: baseline; gap: 9px; text-decoration: none; color: var(--text); }
.brand b { font-size: 15px; font-weight: 900; letter-spacing: -0.02em; }
.brand span { font-size: 11px; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }

.chips { display: flex; gap: 7px; margin-left: auto; flex-wrap: wrap; align-items: center; }

.chip {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  white-space: nowrap;
}
.chip.ok { border-color: rgba(22,163,74,0.35); background: var(--accent-soft); color: var(--accent-strong); }
.chip.warn { border-color: rgba(217,119,6,0.35); background: var(--amber-soft); color: var(--amber); }

.btn-back {
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  padding: 8px 13px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.btn-back:hover { border-color: var(--accent); color: var(--accent-strong); }

/* ---------- layout ---------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 26px 18px 70px; display: grid; grid-template-columns: 250px 1fr; gap: 34px; align-items: start; }

.toc {
  position: sticky;
  top: 74px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - 100px);
  overflow: auto;
}
.toc h2 { margin: 0 0 10px; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.toc ol { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.toc a { text-decoration: none; color: var(--text); font-size: 13px; font-weight: 600; }
.toc a:hover { color: var(--accent-strong); }

main { min-width: 0; }

.hero { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); padding: 26px 26px 22px; box-shadow: var(--shadow); }
.hero .eyebrow { font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-strong); }
.hero h1 { margin: 8px 0 10px; font-size: 27px; line-height: 1.2; letter-spacing: -0.02em; }
.hero p { margin: 0 0 8px; color: var(--muted); max-width: 74ch; }
.hero .meta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 14px; font-size: 12px; color: var(--muted); }
.hero .meta b { color: var(--text); font-weight: 800; }

section { margin-top: 34px; scroll-margin-top: 78px; }
section > h2 {
  font-size: 19px;
  letter-spacing: -0.015em;
  margin: 0 0 4px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--border);
}
section > h2 .num { color: var(--accent); font-family: "Space Mono", monospace; font-size: 14px; margin-right: 8px; }
h3 { font-size: 15px; margin: 22px 0 6px; letter-spacing: -0.01em; }
h4 { font-size: 13px; margin: 18px 0 4px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; }
p { margin: 8px 0; }
ul, ol { margin: 8px 0; padding-left: 22px; }
li { margin: 4px 0; }

.card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); padding: 18px 20px; margin: 14px 0; box-shadow: var(--shadow-sm); }
.card.tight { padding: 14px 16px; }

.callout { border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 12px; padding: 12px 16px; margin: 14px 0; }
.callout.warn { border-left-color: var(--amber); background: var(--amber-soft); }
.callout.stop { border-left-color: var(--red); background: var(--red-soft); }
.callout b { font-weight: 900; }
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 11px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); background: var(--card); }
tbody tr:hover { background: #fbfcfe; }
td code { font-size: 12.5px; background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 1px 5px; }
.req { color: var(--red); font-weight: 800; font-size: 11px; letter-spacing: 0.05em; }
.opt { color: var(--muted); font-size: 11px; letter-spacing: 0.05em; }

pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 15px 17px;
  border-radius: 13px;
  overflow: auto;
  font-size: 12.5px;
  line-height: 1.6;
  margin: 12px 0;
  border: 1px solid #0a1122;
}
pre .k { color: #7dd3fc; }
pre .s { color: #86efac; }
pre .c { color: #94a3b8; }
pre .n { color: #fcd34d; }

.method {
  display: inline-block;
  font-family: "Space Mono", monospace;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 7px;
  margin-right: 8px;
  letter-spacing: 0.04em;
}
.method.get { background: var(--accent-soft); color: var(--accent-strong); border: 1px solid rgba(22,163,74,0.35); }
.method.post { background: #e0edff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.path { font-family: "Space Mono", monospace; font-size: 14px; font-weight: 700; }

.diagram { background: var(--code-bg); color: var(--code-text); border-radius: 13px; padding: 16px; overflow: auto; font-size: 12px; line-height: 1.5; }

footer.docfoot { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
footer.docfoot a { text-decoration: none; font-weight: 700; }

@media (max-width: 900px) {
  .wrap { grid-template-columns: 1fr; gap: 20px; padding: 18px 14px 60px; }
  .toc { position: static; max-height: none; }
  .hero { padding: 20px 18px; }
  .hero h1 { font-size: 22px; }
  .chips { margin-left: 0; width: 100%; }
  table { font-size: 12.5px; }
  th, td { padding: 7px 8px; }
}