:root,
[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #0f172a;
  --accent-fg: #ffffff;
  --link: #0284c7;
  --claim-bg: #f1f5f9;
  --status-ok: #15803d;
  --status-warn: #b45309;
  --status-err: #b91c1c;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #f8fafc;
  --accent-fg: #0f172a;
  --link: #38bdf8;
  --claim-bg: #172033;
  --status-ok: #4ade80;
  --status-warn: #fbbf24;
  --status-err: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 15px;
}

code,
pre,
.mono,
.tabular {
  font-family: "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 24px;
  overflow-x: auto;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  border: 1px solid var(--accent);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.prompt-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
}

.prompt-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.prompt-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  overflow-x: auto;
}

.prompt-box code {
  font-size: 0.85rem;
  white-space: nowrap;
}

.controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

select,
input[type="search"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 0.85rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.leaderboard-table th {
  background: var(--surface);
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.leaderboard-table tr:last-child td {
  border-bottom: none;
}

.claim-subrow td {
  background: var(--claim-bg);
  color: var(--text-muted);
  font-size: 0.82rem;
  padding-top: 8px;
  padding-bottom: 8px;
}

.muted {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.status-warn {
  color: var(--status-warn);
  font-weight: 600;
}

.status-err {
  color: var(--status-err);
  font-weight: 600;
}

.status-ok {
  color: var(--status-ok);
  font-weight: 600;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (min-width: 860px) {
  .grid-2 {
    grid-template-columns: 1.4fr 1fr;
  }
}

.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  background: var(--bg);
}

.track-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.track-item:last-child {
  border-bottom: none;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

@media (max-width: 600px) {
  .topbar {
    padding: 12px 14px;
    gap: 10px;
  }
  .container {
    padding: 16px 12px;
  }
}