:root {
  color-scheme: dark;
  --bg: #0b0c0d;
  --panel: #141518;
  --panel-2: #191b1f;
  --line: #26282d;
  --text: #f4f5f7;
  --muted: #9aa0a6;
  --accent: #d6ff4a;
  --accent-ink: #121408;
  --danger: #ff8d7a;
  --radius: 14px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 "Segoe UI", ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }

header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 12, 13, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 22px; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-spacer { flex: 1; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: #3a3d44; color: var(--text); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); color: var(--accent-ink); }
.btn.small { min-height: 32px; padding: 0 11px; font-size: 13px; border-radius: 8px; }
.btn.danger { color: var(--danger); border-color: #4a2a27; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.hero { padding: 84px 0 56px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

h1 { margin: 20px 0 16px; font-size: clamp(38px, 6vw, 68px); line-height: 1.04; letter-spacing: -0.035em; }
h1 em { font-style: normal; color: var(--accent); }
.lede { max-width: 720px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  margin-top: 48px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--panel); padding: 20px 22px; }
.stat b { display: block; font-size: 26px; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 13px; }

section.block { padding: 52px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
h2 { margin: 0; font-size: 26px; letter-spacing: -0.02em; }
.section-head p { margin: 0; color: var(--muted); font-size: 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .price { margin-top: 14px; color: var(--text); font-size: 13px; }
.card .price b { color: var(--accent); font-weight: 600; }

.steps { counter-reset: step; display: grid; gap: 12px; }
.step { display: flex; gap: 14px; padding: 18px 20px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step;
  content: counter(step);
  flex: 0 0 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 13px;
}
.step h3 { margin: 0 0 4px; font-size: 15px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 22px 0; }
.toolbar input, .toolbar select, .field input, .field select {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 12px;
  min-height: 40px;
}
.toolbar input { flex: 1 1 260px; }
.toolbar select { min-width: 150px; }
.toolbar .count { color: var(--muted); font-size: 13px; }

.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; background: var(--panel); }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 760px; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th {
  color: var(--muted);
  font-weight: 500;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--panel-2);
  position: sticky;
  top: 0;
}
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #17191d; }
td .model-name { font-weight: 600; }
td .model-id { color: var(--muted); font-size: 12.5px; font-family: ui-monospace, Consolas, monospace; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.copy { color: var(--muted); cursor: pointer; }
.copy:hover { color: var(--accent); }

.pager { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 18px; color: var(--muted); font-size: 13px; }

.code { position: relative; background: #0e0f11; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; overflow: auto; }
.code pre { margin: 0; font: 13px/1.6 ui-monospace, "Cascadia Code", Consolas, monospace; color: #e6e8ea; }
.code .copy-code { position: absolute; top: 10px; right: 10px; }

.doc-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
.doc-nav { position: sticky; top: 88px; display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.doc-nav a { padding: 6px 0; }
.doc-nav a:hover { color: var(--accent); }
.doc-body h2 { margin: 34px 0 12px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { margin: 26px 0 10px; font-size: 17px; }
.doc-body p, .doc-body li { color: #c8ccd1; }
.doc-body ul { padding-left: 20px; }
.note { border-left: 2px solid var(--accent); padding: 10px 14px; background: var(--panel); color: var(--muted); border-radius: 0 8px 8px 0; font-size: 14px; }

.auth-card { max-width: 440px; margin: 70px auto; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 30px; }
.auth-card h1 { margin: 0 0 6px; font-size: 24px; }
.auth-card p { color: var(--muted); margin: 0 0 20px; font-size: 14px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: #d3d6da; }
.field input { width: 100%; }
.form-error { min-height: 20px; color: var(--danger); font-size: 13px; }

.dash-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin: 36px 0 22px; }
.dash-head h1 { margin: 0; font-size: 30px; }
.balance { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 26px; }
.balance .card b { font-size: 28px; }
.panel-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 30px 0 12px; }
.panel-title h2 { font-size: 19px; }

footer.site { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: 13px; }
.foot { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px; }
.foot-links a:hover { color: var(--text); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease;
}
.toast.show { opacity: 1; }

.muted { color: var(--muted); }
.hidden { display: none !important; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero { padding: 56px 0 40px; }
  .doc-grid { grid-template-columns: 1fr; gap: 22px; }
  .doc-nav { position: static; display: flex; flex-wrap: wrap; gap: 14px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
}