:root {
  --bg: #f6f5f1; --card: #fff; --ink: #1d1d1b; --muted: #6a6a64; --line: #e2dfd6; --accent: #234e52; --accent-2: #e8f1f0;
  --bar: #3b7a80; --warn: #fff3cd; --warn-ink: #5c4a00; --good: #2f7d4f; --bad: #b1432f;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151514; --card: #1f1f1d; --ink: #ecebe6; --muted: #a09f97; --line: #34332f; --accent: #8fc7ca; --accent-2: #20302f; --bar: #5aa4aa; --warn: #3a3210; --warn-ink: #f1e3a6; --good: #6ec58f; --bad: #e08670; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); flex-wrap: wrap; }
.brand { font-weight: 800; letter-spacing: -.01em; text-decoration: none; color: var(--ink); }
.top nav { display: flex; gap: 16px; font-size: .9rem; }
.banner { margin: 12px auto 0; max-width: 1080px; padding: 10px 14px; border-radius: 10px; background: var(--warn); color: var(--warn-ink); font-weight: 600; }
main { max-width: 1080px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.intro h1 { margin: 0 0 8px; font-size: 1.8rem; letter-spacing: -.02em; }
.points { padding-left: 20px; }
.points li { margin: 6px 0; }
.layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }
.quiz-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.chip { background: var(--accent-2); color: var(--accent); padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.question { font-size: 1.35rem; line-height: 1.3; margin: 14px 0 18px; }
.answers { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
@media (max-width: 560px) { .answers { grid-template-columns: 1fr; } }
button { font: inherit; cursor: pointer; }
.ans { padding: 12px 6px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--card); color: var(--ink); font-weight: 600; }
.ans:hover, .ans:focus-visible { border-color: var(--accent); outline: none; background: var(--accent-2); }
.ans.chosen { border-color: var(--accent); background: var(--accent-2); }
.primary { background: var(--accent); color: var(--card); border: 0; border-radius: 10px; padding: 10px 18px; font-weight: 700; }
.big { padding: 14px 28px; font-size: 1.1rem; }
.link { background: none; border: 0; color: var(--accent); text-decoration: underline; padding: 4px 6px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.weight { font-size: .9rem; display: flex; align-items: center; gap: 8px; }
select { font: inherit; padding: 4px 6px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.meter { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; margin-top: 16px; }
#meter-bar { height: 100%; width: 0; background: var(--bar); transition: width .35s; }
.hint, .done { margin-top: 10px; padding: 10px 12px; border-radius: 10px; background: var(--accent-2); }
.ranking h2 { margin: 0 0 4px; font-size: 1.15rem; }
.rank { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 10px; }
.rank li { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 10px; }
.rank .name { font-weight: 700; }
.rank .pct { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 1.15rem; }
.rank .bar { grid-column: 1 / -1; height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.rank .bar > div { height: 100%; background: var(--bar); transition: width .35s; }
.rank .sub { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 8px; font-size: .82rem; color: var(--muted); }
.rank li.nodata .pct { color: var(--muted); font-weight: 500; font-size: .9rem; }
#pending { margin-top: 12px; font-size: .88rem; color: var(--muted); }
#pending ul { margin: 6px 0 0; padding-left: 18px; }
.mine { list-style: none; padding: 0; display: grid; gap: 6px; }
.mine li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.tag { white-space: nowrap; font-weight: 600; font-size: .85rem; }
dialog { max-width: 760px; width: calc(100% - 24px); border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: var(--ink); padding: 20px; }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.close { float: right; background: none; border: 0; font-size: 1.2rem; color: var(--ink); }
.cmp { border-left: 4px solid var(--line); padding: 8px 12px; margin: 10px 0; background: var(--bg); border-radius: 0 10px 10px 0; }
.cmp.agree { border-left-color: var(--good); }
.cmp.differ { border-left-color: var(--bad); }
.cmp .q { font-weight: 700; }
.cmp .who { font-size: .85rem; color: var(--muted); margin: 2px 0; }
.cmp blockquote { margin: 6px 0 0; font-size: .9rem; font-style: italic; }
.cmp .src { font-size: .8rem; }
footer { max-width: 1080px; margin: 0 auto; padding: 8px 16px 40px; color: var(--muted); font-size: .82rem; }
.doc { max-width: 760px; margin: 0 auto; padding: 16px; }
.doc h1 { letter-spacing: -.02em; }
.doc table { border-collapse: collapse; width: 100%; font-size: .92rem; }
.doc td, .doc th { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }