:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2129;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 44px 0 30px;
  background: linear-gradient(180deg, #10161f 0%, var(--bg) 100%);
}

.badge {
  display: inline-block;
  font-size: 12px;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 14px;
}

h1 { font-size: 30px; margin: 0 0 12px; letter-spacing: -0.4px; }
h2 { font-size: 19px; margin: 0 0 14px; }

.lede { color: #c9d1d9; max-width: 760px; }
.lede em { color: var(--text); }

.header-links { margin-top: 16px; display: flex; gap: 18px; flex-wrap: wrap; }
.header-links a { color: var(--accent); text-decoration: none; font-size: 14px; }
.header-links a:hover { text-decoration: underline; }

main { padding: 26px 0 10px; display: grid; gap: 22px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px 22px;
}

.diagram {
  background: #0b0f14;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font: 12.5px/1.5 var(--mono);
  color: #9ecbff;
  margin: 0 0 14px;
}

.muted { color: var(--muted); font-size: 14px; }
.small { font-size: 13px; }
.warn { color: var(--amber); }
.yes { color: var(--green); }
.no { color: var(--red); }
code { font-family: var(--mono); font-size: 0.92em; background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }

.tab {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 7px;
  padding: 7px 13px;
  font-size: 13.5px;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { color: #fff; border-color: var(--accent); background: #152238; }

.demo-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }

.pill {
  font-size: 13px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--muted);
}
.pill strong { color: var(--text); font-weight: 600; }
.pill.good { border-color: #1f6f33; color: var(--green); }
.pill.bad { border-color: #7a2d28; color: var(--red); }

details.context {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
}
details.context summary { cursor: pointer; color: var(--muted); font-size: 13.5px; }
details.context pre {
  white-space: pre-wrap;
  font: 12.5px/1.5 var(--mono);
  color: #c9d1d9;
  margin: 10px 0 2px;
}

table { border-collapse: collapse; width: 100%; }

.field-table { font-size: 14px; margin-bottom: 18px; }
.field-table th {
  text-align: left; font-weight: 600; font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.4px; color: var(--muted);
  border-bottom: 1px solid var(--border); padding: 6px 10px 7px 0;
}
.field-table td { border-bottom: 1px solid #21262d; padding: 8px 10px 8px 0; vertical-align: top; }
.field-table tr:last-child td { border-bottom: none; }
.fname { font-family: var(--mono); font-size: 13px; color: #c9d1d9; }
.fval { font-weight: 600; }
.ftype { color: var(--muted); font-size: 12px; }

.conf { display: flex; align-items: center; gap: 9px; min-width: 150px; }
.conf-bar { flex: 1; height: 6px; border-radius: 3px; background: #21262d; overflow: hidden; }
.conf-fill { height: 100%; border-radius: 3px; background: var(--green); }
.conf-num { font-family: var(--mono); font-size: 12.5px; color: var(--muted); min-width: 42px; text-align: right; }

.alts { font-size: 12px; color: var(--muted); font-family: var(--mono); }

.json { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .json { grid-template-columns: 1fr; } }

.pane { background: #0b0f14; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.pane-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 13px; color: var(--muted);
}
.pane pre {
  margin: 0; padding: 12px 14px; font: 12.5px/1.5 var(--mono); color: #c9d1d9;
  white-space: pre-wrap; word-break: break-word; max-height: 330px; overflow-y: auto;
}
.copy-btn {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; font-size: 12px; padding: 3px 9px; cursor: pointer;
}
.copy-btn:hover { color: var(--text); }

.bench { font-size: 14px; }
.bench th {
  text-align: left; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px;
  color: var(--muted); border-bottom: 1px solid var(--border); padding: 6px 12px 7px 0;
}
.bench td { border-bottom: 1px solid #21262d; padding: 9px 12px 9px 0; }
.bench tr:last-child td { border-bottom: none; }

.site-footer { border-top: 1px solid var(--border); margin-top: 26px; padding: 20px 0 34px; }
.site-footer p { color: var(--muted); font-size: 13px; margin: 0; }
.site-footer a { color: var(--accent); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

.error { color: var(--red); font-family: var(--mono); font-size: 13px; }