:root {
  --bg: #f6f6f7; --surface: #ffffff; --surface-2: #f0f0f2;
  --fg: #19191c; --fg-muted: #61616a; --fg-faint: #6f6f78;
  --line: #e7e7ea; --line-strong: #d6d6da;
  --accent: #c2410c; --accent-ink: #9a3412; --accent-soft: rgba(194,65,12,.09);
  --shadow: 0 1px 2px rgba(25,25,28,.05), 0 8px 24px rgba(25,25,28,.05);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0f; --surface: #161618; --surface-2: #1d1d21;
    --fg: #ededee; --fg-muted: #9a9aa3; --fg-faint: #84848e;
    --line: #262629; --line-strong: #313137;
    --accent: #fb7a4b; --accent-ink: #fb7a4b; --accent-soft: rgba(251,122,75,.12);
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--fg); background: var(--bg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI",
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:focus-visible, .day-row:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }

/* ── header ── */
header.site { padding-top: 30px; }
.brand { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.brand a { text-decoration: none; }
.brand .mark {
  font: 700 13px/1 var(--mono); letter-spacing: .24em; text-transform: uppercase;
  color: var(--fg);
}
.brand .mark b { color: var(--accent-ink); font-weight: 700; }
.brand .home { font-size: 13px; color: var(--fg-muted); text-decoration: none; }
.brand .home:hover { color: var(--accent-ink); }

/* index hero */
.idx-head { padding: 22px 0 26px; border-bottom: 1px solid var(--line); }
.idx-head .tagline {
  margin: 14px 0 0; font-size: clamp(22px, 4vw, 30px); font-weight: 750;
  letter-spacing: -0.02em; line-height: 1.15;
}
.idx-head .meta { margin-top: 8px; font-size: 13px; color: var(--fg-muted); }

/* day hero */
.day-head { padding: 20px 0 24px; border-bottom: 1px solid var(--line); }
.day-head .kicker { font-size: 13px; color: var(--fg-muted); }
.day-head h1 {
  margin: 12px 0 0; font-size: clamp(27px, 5.4vw, 42px); font-weight: 800;
  letter-spacing: -0.032em; line-height: 1.08; max-width: 18ch;
}
.day-head .stat {
  margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px 18px;
  font: 12.5px/1 var(--mono); color: var(--fg-muted); letter-spacing: .01em;
}
.day-head .stat b { color: var(--fg); font-weight: 600; }

main { padding-bottom: 80px; }

/* ── index day list ── */
.day-list { margin: 0; padding: 0; list-style: none; }
.day-row {
  display: grid; grid-template-columns: 1fr auto; gap: 6px 18px;
  align-items: baseline; padding: 20px 4px; text-decoration: none; color: inherit;
  border-bottom: 1px solid var(--line); transition: background .18s ease;
}
.day-row:hover { background: var(--surface-2); }
.day-row .d-date { font: 600 13px/1 var(--mono); color: var(--fg-muted); letter-spacing: .04em; }
.day-row:hover .d-date { color: var(--accent-ink); }
.day-row .d-line {
  grid-column: 1 / -1; font-size: 19px; font-weight: 650;
  letter-spacing: -0.015em; line-height: 1.3;
}
.day-row .d-count { font: 12px/1 var(--mono); color: var(--fg-faint); white-space: nowrap; }

/* ── unified rows (all ranks; 1/2/3 just marked) ── */
.cat {
  font: 600 11px/1 var(--mono); letter-spacing: .1em;
  color: var(--accent-ink); background: var(--accent-soft);
  padding: 4px 8px; border-radius: 6px;
}
.score { font: 12px/1 var(--mono); color: var(--fg-faint); }
.score b { font-size: 16px; color: var(--fg); font-weight: 600; }
.meter.mini { display: inline-flex; gap: 3px; align-items: flex-end; height: 16px; }
.meter.mini .m { width: 5px; height: 100%; background: var(--line-strong);
  border-radius: 1px; display: flex; align-items: flex-end; overflow: hidden; }
.meter.mini .m i { display: block; width: 100%; background: var(--fg-muted); border-radius: 1px; }

.rows { margin: 24px 0 0; padding: 0; list-style: none; }
.row {
  display: grid; grid-template-columns: 38px 1fr auto; gap: 8px 16px;
  align-items: start; padding: 19px 4px;
  border-bottom: 1px solid var(--line); transition: background .16s ease;
}
.row:hover { background: var(--surface-2); }
.row .rk { font: 600 17px/1.5 var(--mono); color: var(--fg-faint); }
.row .rk.top { color: var(--accent-ink); font-weight: 700; }
.row .body { min-width: 0; }
.row .summary { font-size: 17px; font-weight: 650; letter-spacing: -0.012em; line-height: 1.4; }
.row .detail { margin: 6px 0 0; font-size: 14px; color: var(--fg-muted); line-height: 1.62; }
.row .title {
  display: inline-block; margin-top: 9px; font-size: 12.5px; color: var(--fg-muted);
  text-decoration: none; border-bottom: 1px solid var(--line-strong); padding-bottom: 1px;
}
.row .title:hover { color: var(--accent-ink); border-color: var(--accent); }
.row .rmeta { margin-top: 9px; display: flex; flex-wrap: wrap; align-items: center;
  gap: 8px 10px; font: 11.5px/1 var(--mono); color: var(--fg-faint); }
.row .aside { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; padding-top: 2px; }

/* ── nav ── */
.pager { display: flex; align-items: center; gap: 18px; margin-top: 34px;
  padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; }
.pager a { color: var(--fg-muted); text-decoration: none; }
.pager a:hover { color: var(--accent-ink); }
.pager .home { margin-left: auto; }
.empty { color: var(--fg-muted); padding: 60px 0; text-align: center; }

footer.foot { color: var(--fg-faint); font: 11.5px/1.6 var(--mono);
  padding: 28px 0 40px; border-top: 1px solid var(--line); margin-top: 30px; }

/* ── motion (respects reduced-motion) ── */
@media (prefers-reduced-motion: no-preference) {
  .feat, .row, .day-row {
    animation: rise .55s cubic-bezier(.16,1,.3,1) both;
    animation-delay: calc(var(--i, 0) * 38ms);
  }
  @keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
}
@media (max-width: 560px) {
  .row { grid-template-columns: 30px 1fr; }
  .row .aside { grid-column: 1 / -1; flex-direction: row; align-items: center;
    justify-content: flex-start; gap: 14px; margin-top: 10px; padding-top: 0; }
}