:root {
  --dark: #1e1e24;
  --light: #f6f1e8;
  --gold: #d4a24e;
  --gold-dark: #b8873a;
  --navy: #2c3e50;
  --board-dark: #553b2e;
  --board-light: #e8d5a8;
  --green: #3d9a5f;
  --red: #c0392b;
  --text: #2b2b2b;
  --muted: #777;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--light);
  color: var(--text);
  line-height: 1.55;
}

.checker::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    linear-gradient(45deg, var(--board-dark) 25%, transparent 25%, transparent 75%, var(--board-dark) 75%),
    linear-gradient(45deg, var(--board-dark) 25%, transparent 25%, transparent 75%, var(--board-dark) 75%);
  background-size: 46px 46px;
  background-position: 0 0, 23px 23px;
  z-index: 0;
}

header.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, #202a36 100%);
  color: var(--light);
  padding: 3rem 2rem;
  border-bottom: 4px solid var(--gold);
}

header.hero .inner { position: relative; z-index: 1; max-width: 980px; margin: 0 auto; }

header.hero h1 { font-size: 2rem; letter-spacing: 1px; }
header.hero h1 .gold { color: var(--gold); }
header.hero p.tagline { margin-top: 0.4rem; font-size: 1.05rem; color: #cfd6dd; }

nav.tabs {
  background: var(--dark);
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

nav.tabs a {
  color: #ddd;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s, color 0.15s;
}

nav.tabs a:hover, nav.tabs a.active { background: var(--gold); color: var(--dark); }

main { max-width: 980px; margin: 0 auto; padding: 2rem 1rem; }

section.block { margin-bottom: 2.5rem; }
section.block h2 {
  font-size: 1.35rem;
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 0.35rem;
  margin-bottom: 1rem;
}

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }

.card {
  background: #fff;
  border: 1px solid #e2dccd;
  border-radius: 8px;
  padding: 1.1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.card .cat-tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: #fff;
  background: var(--navy);
  border-radius: 3px;
  padding: 0.15rem 0.5rem;
  margin-bottom: 0.5rem;
}

.card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }

.card p.meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.4rem; }
.card .clock { font-family: 'Cascadia Mono', Consolas, monospace; color: var(--gold-dark); font-weight: 700; }

.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--dark);
  font-weight: 700;
  text-decoration: none;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn:hover { background: var(--gold-dark); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--gold); color: var(--gold-dark); }
.btn.ghost:hover { background: var(--gold); color: var(--dark); }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }

th, td { padding: 0.6rem 0.8rem; text-align: left; font-size: 0.92rem; }
thead th {
  background: var(--navy);
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tbody tr:nth-child(even) { background: #faf7f0; }
tbody tr:hover { background: #f1ead9; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.podium { display: flex; gap: 1rem; flex-wrap: wrap; }
.podium .slot { background: #fff; border-radius: 8px; padding: 1rem; text-align: center; border: 1px solid #e2dccd; min-width: 160px; flex: 1; }
.podium .place { font-size: 1.6rem; font-weight: 800; }
.podium .place[data-rank='1'] { color: var(--gold-dark); }
.podium .place[data-rank='2'] { color: #8a8f98; }
.podium .place[data-rank='3'] { color: #b36540; }
.podium .user { font-weight: 700; margin-top: 0.3rem; }
.podium .score { color: var(--muted); font-size: 0.85rem; }

.filters { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.2rem; }
.filters select, .filters input, .filters button {
  padding: 0.5rem 0.8rem; border-radius: 6px; border: 1px solid #ccc; font-size: 0.92rem; background: #fff;
}
.filters select:focus, .filters input:focus { outline: 2px solid var(--gold); }

.pager { display: flex; gap: 0.5rem; align-items: center; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 3px; font-size: 0.75rem; font-weight: 700; color: #fff; }
.badge.finished { background: var(--navy); }
.badge.started { background: var(--green); }
.badge.pending { background: var(--gold-dark); }

a.userlink { color: var(--navy); font-weight: 600; text-decoration: none; border-bottom: 1px dashed var(--gold); }
a.userlink:hover { color: var(--gold-dark); }

.verified { color: var(--green); }
.empty { color: var(--muted); font-style: italic; padding: 1rem 0; }

footer { margin-top: 3rem; padding: 1.5rem 2rem; text-align: center; color: var(--muted); font-size: 0.85rem; border-top: 1px solid #e2dccd; }

@media (max-width: 640px) {
  header.hero h1 { font-size: 1.5rem; }
  nav.tabs { padding: 0.4rem 0.5rem; flex-wrap: wrap; }
  th, td { padding: 0.45rem 0.5rem; }
}