:root {
  --bg-a: #1a1a2e;
  --bg-b: #16213e;
  --bg-c: #0f3460;
  --accent: #4ecca3;
  --accent-2: #36a2eb;
  --warn: #e94560;
  --text: #eeeeee;
  --muted: #9aa4b2;
  --duck: #ffd23f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, var(--bg-a) 0%, var(--bg-b) 55%, var(--bg-c) 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  background: rgba(22, 33, 62, 0.94);
  backdrop-filter: blur(6px);
  z-index: 2;
}

.topbar h1 { margin: 0; font-size: 17px; letter-spacing: 0.5px; color: var(--duck); }
.topbar .tagline { font-size: 12px; color: var(--muted); }
.topbar .spacer { flex: 1 1 auto; }

.topbar a {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid rgba(78, 204, 163, 0.35);
  border-radius: 6px;
  padding: 4px 10px;
}

.topbar a:hover { background: rgba(78, 204, 163, 0.12); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.isolation {
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  border-left: 2px solid rgba(54, 162, 235, 0.5);
  padding-left: 10px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.tabs button {
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}

.tabs button:hover { color: var(--text); }

.tabs button[aria-current="true"] {
  background: rgba(78, 204, 163, 0.16);
  border-color: rgba(78, 204, 163, 0.55);
  color: var(--accent);
}

.blurb {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--muted);
}

.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 6px 14px 12px;
  margin-bottom: 18px;
}

.card h2 {
  font-size: 14px;
  margin: 12px 0 4px;
  color: var(--accent-2);
  font-weight: 600;
}

.card .note {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--muted);
}

table.board {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.board th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  font-weight: 600;
  padding: 10px 8px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

table.board td {
  padding: 9px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.rank {
  width: 34px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

tr.top1 .rank, tr.top1 td.score { color: var(--duck); font-weight: 600; }
tr.top2 .rank { color: #cfd8e3; }
tr.top3 .rank { color: #d09a63; }

tr.me td { background: rgba(78, 204, 163, 0.1); }
tr.me .player::after {
  content: " you";
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  margin-left: 6px;
}

tr.pinned td {
  border-top: 1px dashed rgba(255, 255, 255, 0.2);
}

td.score { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
td.when { color: var(--muted); font-size: 12px; white-space: nowrap; text-align: right; }

.empty {
  padding: 18px 8px;
  color: var(--muted);
  font-size: 13px;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 4px;
}

.stat {
  flex: 1 1 96px;
  background: rgba(0, 0, 0, 0.22);
  border-radius: 8px;
  padding: 8px 10px;
}

.stat .k {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.stat .v {
  font-size: 20px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

@media (max-width: 520px) {
  .topbar .tagline { display: none; }
  table.board { font-size: 13px; }
  td.when, th.when { display: none; }
}