/* bit-rate gallery + leaderboard (spec §5, §4.4). */

:root {
  --bg: #101216;
  --fg: #d7dae0;
  --dim: #565c66;
  --faint: #2a2e36;
  --err: #e05252;
  --accent: #e0b452;
  --live: #58b368;
  --caret: #7aa2f7;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  padding: 40px 24px 80px;
  max-width: 1060px;
  margin: 0 auto;
}

header { text-align: center; margin-bottom: 2.6rem; }
h1 { font-size: 26px; letter-spacing: .3em; text-transform: uppercase; font-weight: normal; }
.tagline { color: var(--dim); font-size: 13px; margin-top: .6rem; }

h2 {
  font-size: 14px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: normal;
  margin: 2.6rem 0 1rem;
}
h2 .note { text-transform: none; letter-spacing: 0; font-size: 12px; }

/* ---- environment tiles ---- */

#tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}
.tile-env {
  border: 1px solid var(--faint);
  border-radius: 10px;
  padding: 20px 22px;
}
.tile-env .t-head { display: flex; justify-content: space-between; align-items: baseline; }
.tile-env .t-name { font-size: 17px; }
.tile-env .t-bits { color: var(--caret); font-size: 12px; }
.tile-env .t-desc { color: var(--dim); font-size: 13px; margin-top: .6rem; line-height: 1.5; min-height: 2.8em; }
.tile-env .t-stats { display: flex; gap: 18px; margin-top: 1rem; }
.tile-env .t-stat .v { font-size: 20px; color: var(--fg); }
.tile-env .t-stat .l { font-size: 11px; color: var(--dim); }
.tile-env .t-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 1.1rem; }
.tile-env .t-spark svg { display: block; }
.tile-env a.launch {
  color: var(--bg);
  background: var(--caret);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 6px;
}
.tile-env a.launch:hover { filter: brightness(1.1); }
.tile-env .t-none { color: var(--dim); font-size: 12px; }

/* ---- progress strips ---- */

#progress {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}
#progress figure figcaption { color: var(--dim); font-size: 12px; margin-bottom: 6px; }
#progress svg { width: 100%; height: auto; display: block; }

/* ---- leaderboard ---- */

#board-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
#board-tabs button {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
  background: none;
  border: 1px solid var(--faint);
  border-radius: 5px;
  padding: 4px 12px;
  cursor: pointer;
}
#board-tabs button:hover { color: var(--fg); }
#board-tabs button.on { color: var(--bg); background: var(--caret); border-color: var(--caret); }

table.lb { width: 100%; border-collapse: collapse; }
.lb th {
  text-align: left;
  color: var(--dim);
  font-size: 11px;
  font-weight: normal;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-bottom: 1px solid var(--faint);
}
.lb td {
  padding: 9px 10px;
  font-size: 14px;
  border-bottom: 1px solid #1a1d23;
  color: var(--dim);
}
.lb tr.row { cursor: pointer; }
.lb tr.row:hover td { background: #14171c; }
.lb td.bps { color: var(--fg); font-size: 16px; font-variant-numeric: tabular-nums; }
.lb td.rank { color: var(--dim); font-variant-numeric: tabular-nums; }
.lb .you {
  color: var(--live);
  border: 1px solid var(--live);
  border-radius: 3px;
  font-size: 10px;
  padding: 0 5px;
  margin-left: 7px;
}
.lb .player { color: var(--fg); }
.lb tr.detail-row > td { padding: 0; border-bottom: 1px solid var(--faint); }

.lb-detail { padding: 20px 12px 26px; }
.lb-detail .d-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.lb-detail .d-title { color: var(--dim); font-size: 12px; }
.lb-detail .d-title b { color: var(--fg); font-weight: normal; }
.lb-detail a.replay {
  color: var(--caret);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid var(--caret);
  border-radius: 5px;
  padding: 4px 12px;
}
.lb-detail a.replay:hover { background: rgba(122, 162, 247, .12); }
/* The shared renderer's containers, scoped inside a detail row. */
.lb-detail .d-tiles { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.lb-detail .d-charts { display: flex; flex-wrap: wrap; gap: 22px; }
.lb-detail .d-charts figure { flex: 1 1 340px; max-width: 480px; }
.lb-detail .d-charts figcaption { color: var(--dim); font-size: 12px; margin-bottom: 6px; }
.lb-detail .d-charts .err-key { color: var(--err); float: right; }
.lb-detail .d-charts svg { width: 100%; height: auto; display: block; }
.lb-detail .d-loading { color: var(--dim); font-size: 13px; padding: 12px; }

.empty {
  color: var(--dim);
  font-size: 13px;
  padding: 18px 10px;
  line-height: 1.6;
}

/* Off-brief environments: rule-violating lab toys, quarantined visibly. */
.off-brief {
  color: var(--err);
  border: 1px solid var(--err);
  border-radius: 3px;
  font-size: 10px;
  padding: 0 5px;
  vertical-align: middle;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.off-brief-note { color: var(--err); opacity: .8; }