:root {
  --bg: #fbfaf8; --surface: #ffffff; --surface-2: #f4f2ee; --border: #e3dfd7;
  --text: #1c1a17; --muted: #6c665c; --accent: #8a5a2b; --accent-soft: #f0e6d9;
  --ok: #3f7d50; --warn: #9a6b1e; --bad: #a8453a;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(28,26,23,.05), 0 4px 14px rgba(28,26,23,.05);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15140f; --surface: #1d1b16; --surface-2: #26231c; --border: #342f26;
    --text: #efe9dd; --muted: #a39a89; --accent: #d3a06a; --accent-soft: #2e271d;
    --ok: #7bb98c; --warn: #d9ad5e; --bad: #e08177;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"] {
  --bg: #15140f; --surface: #1d1b16; --surface-2: #26231c; --border: #342f26;
  --text: #efe9dd; --muted: #a39a89; --accent: #d3a06a; --accent-soft: #2e271d;
  --ok: #7bb98c; --warn: #d9ad5e; --bad: #e08177;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1000px; margin: 0 auto; padding: 0 16px 80px; }

header.top {
  position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--border);
  background: var(--bg);
}
header.top .bar { max-width: 1000px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { font-weight: 650; letter-spacing: -.01em; }
.brand b { color: var(--accent); }
nav { display: flex; gap: 4px; margin-inline-start: auto; flex-wrap: wrap; }
nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-size: 14.5px; font-weight: 500; }
nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--text); }
nav a.on { background: var(--accent-soft); color: var(--accent); }

h1 { font-size: 30px; line-height: 1.25; letter-spacing: -.02em; margin: 28px 0 6px; }
h2 { font-size: 21px; letter-spacing: -.01em; margin: 32px 0 10px; }
h3 { font-size: 17px; margin: 24px 0 8px; }
.lead { color: var(--muted); margin: 0 0 24px; }
.muted { color: var(--muted); } .small { font-size: 13.5px; }

.card { background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 14px; }
@media (min-width: 720px) { .grid.two { grid-template-columns: 1fr 1fr; } }

.ask { margin: 24px 0 10px; }
.ask textarea {
  width: 100%; min-height: 96px; resize: vertical; padding: 16px 18px; font: inherit;
  color: var(--text); background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.ask textarea:focus { outline: none; border-color: var(--accent); }
.ask .row { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

button { font: inherit; font-weight: 550; cursor: pointer; padding: 10px 20px;
  border-radius: 9px; border: 1px solid transparent; background: var(--accent); color: #fff; }
button:hover:not(:disabled) { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; border-color: var(--border); color: var(--text); }
button.ghost:hover:not(:disabled) { background: var(--surface-2); filter: none; }
button.pick { background: var(--surface); border-color: var(--border); color: var(--text);
  text-align: start; width: 100%; font-weight: 450; padding: 11px 14px; margin-bottom: 8px; }
button.pick:hover { border-color: var(--accent); background: var(--accent-soft); filter: none; }
button.pick.on { border-color: var(--accent); background: var(--accent-soft);
  color: var(--accent); font-weight: 550; }

input[type="search"], input[type="text"] { font: inherit; color: var(--text);
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 9px; padding: 10px 14px; width: 100%; }
input:focus { outline: none; border-color: var(--accent); }

.score { display: flex; align-items: baseline; gap: 6px; font-variant-numeric: tabular-nums; }
.score b { font-size: 30px; letter-spacing: -.02em; }
.score span { color: var(--muted); font-size: 13px; }
.level { display: inline-block; padding: 2px 9px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 12.5px; font-weight: 600; }
.axes { display: grid; gap: 7px; margin-top: 14px; }
.axis { display: grid; grid-template-columns: 90px 1fr 34px; align-items: center; gap: 10px; font-size: 13px; }
.axis .lab { color: var(--muted); }
.axis .bar { height: 7px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.axis .bar i { display: block; height: 100%; border-radius: 99px; background: var(--accent); }
.axis .val { text-align: end; color: var(--muted); font-variant-numeric: tabular-nums; }

.domain-card { display: block; color: inherit; }
.domain-card:hover { text-decoration: none; border-color: var(--accent); }
.domain-card h3 { margin: 0 0 2px; }
.thickbar { height: 8px; border-radius: 99px; background: var(--surface-2);
  overflow: hidden; margin: 12px 0 10px; }
.thickbar i { display: block; height: 100%; background: var(--accent); }
.stats { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.stats b { color: var(--text); font-variant-numeric: tabular-nums; }

.plist { display: grid; gap: 10px; }
.pitem { display: block; color: inherit; padding: 14px 16px; }
.pitem:hover { text-decoration: none; border-color: var(--accent); }
.pitem .hd { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.pitem .ttl { font-weight: 600; }
.pitem p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.tag { font-size: 11.5px; padding: 1px 8px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); font-family: var(--mono); }
.tag.kind { background: var(--accent-soft); color: var(--accent); }
.tag.cao { background: rgba(63,125,80,.16); color: var(--ok); }
.tag.vua { background: rgba(154,107,30,.18); color: var(--warn); }
.tag.thap { background: rgba(168,69,58,.15); color: var(--bad); }

.events { display: grid; font-size: 14px; }
.ev { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 9px 0;
  border-top: 1px solid var(--border); }
.ev:first-child { border-top: 0; }
.ev .ph { font-family: var(--mono); font-size: 11.5px; color: var(--accent); padding-top: 3px; }
.spinner { width: 14px; height: 14px; border-radius: 50%; display: inline-block;
  border: 2px solid var(--border); border-top-color: var(--accent);
  animation: spin .8s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.prose { font-size: 16.5px; }
.prose h2 { border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px;
  display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 11px;
  text-align: start; vertical-align: top; }
.prose th { background: var(--surface-2); font-weight: 600; }
.prose blockquote { margin: 18px 0; padding: 12px 16px;
  border-inline-start: 3px solid var(--accent); background: var(--surface-2);
  border-radius: 0 8px 8px 0; }
.prose blockquote p { margin: 4px 0; }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--surface-2);
  padding: 1px 5px; border-radius: 5px; }
.prose pre { background: var(--surface-2); padding: 14px; border-radius: 9px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose ul, .prose ol { padding-inline-start: 22px; }
.prose li { margin: 4px 0; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }

.meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 4px 0 20px; }
.backlinks { margin-top: 36px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 13.5px; padding: 4px 11px; border: 1px solid var(--border);
  border-radius: 999px; background: var(--surface); }
.chip:hover { border-color: var(--accent); text-decoration: none; }

.empty { text-align: center; padding: 56px 20px; color: var(--muted); }
.err { border-color: var(--bad); background: rgba(168,69,58,.07); }
.ok-dot, .bad-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.ok-dot { background: var(--ok); } .bad-dot { background: var(--bad); }