:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #6a7280;
  --line: #e5e7eb;
  --accent: #ff6600;
  --chip: #f3f4f6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --fg: #f3f4f6;
    --muted: #9aa3af;
    --line: #2b2f36;
    --chip: #23272e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

header { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }

h1 { font-size: 16px; margin: 0; font-weight: 600; }
h1 .mark { color: var(--accent); }

.spacer { flex: 1; }

.field { display: flex; gap: 6px; align-items: center; }

input[type="date"], button {
  font: inherit;
  color: inherit;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 9px;
}

button { cursor: pointer; }
button[disabled] { opacity: .55; cursor: default; }

.meta { color: var(--muted); font-size: 12px; margin: 4px 0 10px; }

ol { list-style: none; margin: 0; padding: 0; }

li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 2px 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

li .rank { color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; }
li .title { font-weight: 600; }
li .title a { color: inherit; text-decoration: none; }
li .title a:hover { text-decoration: underline; }
li .sub { grid-column: 2; color: var(--muted); font-size: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
li .sub a { color: var(--accent); text-decoration: none; }
li .sub a:hover { text-decoration: underline; }

.state {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 18px;
  color: var(--muted);
  text-align: center;
}

.state.error { border-style: solid; color: var(--fg); }
.hint { font-size: 12px; color: var(--muted); }
.banner {
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 10px;
  font-size: 12px;
  background: var(--chip);
  color: var(--muted);
}
footer { margin-top: 14px; font-size: 12px; color: var(--muted); }
footer a { color: var(--muted); }

@media (max-width: 420px) {
  body { padding: 12px; }
  li { grid-template-columns: 22px 1fr; }
}