:root {
  color-scheme: light dark;
  --bg: #f4f6fa;
  --panel: #fff;
  --fg: #172031;
  --muted: #677386;
  --border: #e0e6ef;
  --accent: #285bdd;
  --subtle: #f7f9fc;
  --green: #eaf7ef;
  --amber: #fff5df;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    14px/1.55 ui-sans-serif,
    system-ui,
    -apple-system,
    'PingFang SC',
    'Microsoft YaHei',
    sans-serif;
}
main {
  max-width: 1800px;
  margin: auto;
  padding: 30px 32px 16px;
}
header {
  margin-bottom: 22px;
}
h1 {
  font-size: clamp(21px, 2.1vw, 33px);
  line-height: 1.4;
  margin: 0 0 8px;
}
h2 {
  font-size: 14px;
  margin: 0 0 10px;
}
.muted {
  color: var(--muted);
}
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--bg);
  padding: 8px 0 12px;
}
.switcher {
  display: flex;
  padding: 4px;
  gap: 3px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel);
}
button {
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 14px;
  background: var(--panel);
  color: var(--fg);
}
button:hover {
  border-color: var(--accent);
}
button[aria-pressed] {
  border-color: transparent;
  background: transparent;
}
button[aria-pressed='true'] {
  background: var(--accent);
  color: #fff;
}
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
button:disabled {
  opacity: 0.5;
  cursor: wait;
}
.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 20px;
}
.badge {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  white-space: nowrap;
  background: var(--panel);
}
.phase,
.qualified {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.reserve {
  border-color: var(--accent);
  color: var(--accent);
}
.warning {
  background: var(--amber);
}
.slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 9px;
  margin-bottom: 18px;
}
.slot-card {
  padding: 11px 13px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 9px;
  min-width: 0;
}
.slot-heading {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
}
.slot-heading strong {
  font-size: 15px;
}
.slot-heading span {
  font-size: 11px;
}
.slot-card p {
  font-size: 12px;
  margin: 3px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.table-wrap {
  overflow: auto;
  max-height: 74vh;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
}
table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  font-size: 13px;
  text-align: center;
  white-space: nowrap;
}
th,
td {
  padding: 11px 13px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
thead th {
  position: sticky;
  top: 0;
  background: var(--subtle);
  z-index: 3;
  font-size: 12px;
}
tbody tr:last-child > * {
  border-bottom: 0;
}
.rank {
  position: sticky;
  left: 0;
  min-width: 54px;
  width: 54px;
  z-index: 1;
}
.name {
  position: sticky;
  left: 54px;
  min-width: 110px;
  z-index: 1;
  text-align: left;
  font-weight: 600;
}
thead .rank,
thead .name {
  z-index: 4;
}
.problem {
  min-width: 76px;
}
.total {
  font-weight: 700;
  font-size: 14px;
}
.total small {
  font-weight: 400;
  font-size: 11px;
}
small {
  display: block;
  font-size: 11px;
  margin-top: 3px;
}
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
.result {
  font-size: 11px;
}
.credited {
  background: var(--green);
}
.slots_full {
  background: var(--amber);
}
.after_qualification {
  background: var(--subtle);
}
#error {
  padding: 10px 14px;
  border: 1px solid #e0a049;
  border-radius: 8px;
  background: var(--amber);
  font-size: 13px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
[hidden] {
  display: none !important;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151e;
    --panel: #1a202c;
    --fg: #e9eef8;
    --muted: #a1afc5;
    --border: #303a4b;
    --accent: #7199ff;
    --subtle: #202938;
    --green: #173b30;
    --amber: #42351c;
  }
  .phase,
  .qualified {
    color: #101729;
  }
}
@media (max-width: 640px) {
  main {
    padding: 20px 14px 12px;
  }
  .slots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  th,
  td {
    padding: 10px;
  }
  .table-wrap {
    max-height: 68vh;
  }
  .slot-card {
    padding: 10px;
  }
  header {
    margin-bottom: 14px;
  }
}