:root {
  --bg: #0b0d12;
  --bg-soft: #11151d;
  --panel: #151a24;
  --border: #232a38;
  --text: #e6e9ef;
  --muted: #98a2b3;
  --accent: #6ea8fe;
  --accent-strong: #3d84f7;
  --ok: #3ccf91;
  --warn: #f5b84a;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1080px, 100% - 48px); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.2px;
}
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; }
.brand small { color: var(--muted); font-weight: 400; }

.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover { text-decoration: none; border-color: #33405a; }
.btn-primary { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.btn-primary:hover { background: #2f74e4; }
.btn[disabled], .btn.disabled { opacity: 0.5; cursor: not-allowed; }
.nav .btn { color: #fff; }

/* Hero */
.hero { padding: 88px 0 56px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; }
.dot.warn { background: var(--warn); }
.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.8px;
  margin: 20px 0 16px;
}
.hero p.lead { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0 0 28px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }

.grid-2 { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.grid-2 > * { min-width: 0; }

/* Code */
.code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13px;
}
.code-head {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12px;
}
.code-head i { width: 10px; height: 10px; border-radius: 50%; background: #2a3242; display: inline-block; }
.code-head span { margin-left: 8px; }
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; line-height: 1.7; color: #c9d1e0; }
.code .k { color: #c792ea; }
.code .s { color: #a5d6a7; }
.code .c { color: #6b7488; }

/* Sections */
section { padding: 56px 0; }
section h2 { font-size: 28px; letter-spacing: -0.3px; margin: 0 0 10px; }
section p.sub { color: var(--muted); margin: 0 0 32px; max-width: 680px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .icon {
  width: 34px; height: 34px; border-radius: 8px;
  display: grid; place-items: center;
  background: rgba(110, 168, 254, 0.12);
  color: var(--accent);
  margin-bottom: 14px;
}
.card .icon svg { width: 18px; height: 18px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { border-left: 2px solid var(--accent-strong); padding: 4px 0 4px 16px; }
.stat b { display: block; font-size: 26px; letter-spacing: -0.3px; }
.stat span { color: var(--muted); font-size: 14px; }

.status-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.status-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.status-list li:last-child { border-bottom: 0; }
.status-list .state { color: var(--ok); font-size: 14px; display: inline-flex; align-items: center; gap: 8px; }

.notice {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.notice h3 { margin: 0 0 6px; }
.notice p { margin: 0; color: var(--muted); }

/* Auth pages */
.auth { min-height: calc(100vh - 64px - 90px); display: grid; place-items: center; padding: 48px 16px; }
.auth .box {
  width: min(440px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
}
.auth h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -0.3px; }
.auth p { color: var(--muted); margin: 0 0 22px; font-size: 15px; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
.field input:focus { outline: none; border-color: var(--accent-strong); }
.field input[disabled] { opacity: 0.55; cursor: not-allowed; }
.auth .btn { width: 100%; }
.alert {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid rgba(245, 184, 74, 0.35);
  background: rgba(245, 184, 74, 0.08);
  color: #f3d9a4;
}
.alert[hidden] { display: none; }
.auth .foot { margin-top: 20px; font-size: 14px; color: var(--muted); text-align: center; }

/* Docs */
.docs { padding: 48px 0 24px; }
.docs-layout { display: grid; grid-template-columns: 200px 1fr; gap: 48px; align-items: start; }
.docs-layout > * { min-width: 0; }
.toc { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.toc b { color: var(--text); margin-bottom: 4px; }
.toc a { color: var(--muted); }
.toc a:hover { color: var(--text); text-decoration: none; }
.docs h1 { font-size: 34px; letter-spacing: -0.5px; margin: 0 0 10px; }
.docs h2 { font-size: 21px; margin: 40px 0 10px; scroll-margin-top: 80px; }
.docs p { color: var(--muted); }
.docs p.sub { font-size: 17px; margin-bottom: 8px; }
.docs code { font-family: var(--mono); font-size: 0.9em; color: #c9d1e0; }
.docs .code { margin: 12px 0 16px; }
.table { width: 100%; border-collapse: collapse; margin: 12px 0 16px; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; }
.table td { color: var(--text); }
.m { font-family: var(--mono); font-size: 12px; padding: 2px 6px; border-radius: 4px; }
.m.post { background: rgba(60, 207, 145, 0.12); color: var(--ok); }
.m.get { background: rgba(110, 168, 254, 0.12); color: var(--accent); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: 14px; }
.site-footer .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .nav .hide-sm { display: none; }
  .docs-layout { grid-template-columns: 1fr; gap: 16px; }
  .toc { display: none; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .brand small { display: none; }
  .nav { gap: 14px; }
  .site-header .btn { padding: 7px 12px; font-size: 14px; }
}