:root {
  --bg: #0d1013;
  --text: #e8e6e1;
  --muted: #9aa3a8;
  --gold: #e6b450;
  --bo3-bg: rgba(21, 86, 57, 0.55);
  --bo3-bd: rgba(49, 204, 133, 0.5);
  --bo1-bg: rgba(20, 70, 86, 0.55);
  --bo1-bd: rgba(77, 168, 187, 0.55);
  --bo5-bg: rgba(110, 50, 25, 0.6);
  --bo5-bd: rgba(189, 107, 72, 0.75);
  --ok: #3ddc84;
  --bad: #ff5d5d;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 "Fira Sans", "Segoe UI", Roboto, system-ui, sans-serif;
  min-height: 100vh;
}
#bg {
  position: fixed; inset: 0; z-index: -1;
  background: var(--bg) center top / cover no-repeat;
  filter: brightness(0.45) saturate(0.9);
}
a { color: var(--gold); }
button { font: inherit; cursor: pointer; }

.top {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap;
  max-width: 1500px; margin: 0 auto; padding: 28px 16px 12px;
}
.brand h1 {
  margin: 0; font-size: 34px; letter-spacing: 0.04em; text-transform: uppercase;
  text-shadow: 0 2px 6px #000, 0 0 2px #000;
}
.brand h1 span { color: var(--gold); }
.sub { margin: 4px 0 0; color: var(--muted); text-shadow: 0 1px 3px #000; }
.clock { display: flex; flex-direction: column; align-items: flex-end; text-shadow: 0 1px 3px #000; }
.clock .lbl { color: var(--muted); text-transform: uppercase; font-size: 12px; letter-spacing: 0.08em; }
.clock .lbl.small { text-transform: none; letter-spacing: 0; font-size: 11px; margin-top: 2px; }
.clock .count { font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--gold); }
.clock .count.live { color: #ff4b4b; letter-spacing: 0.06em; text-transform: uppercase; font-size: 24px; }

.tabs { max-width: 1500px; margin: 0 auto; padding: 0 16px; display: flex; gap: 2px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.tabs button {
  background: rgba(20, 24, 28, 0.75); color: var(--muted); border: 1px solid rgba(255,255,255,0.1); border-bottom: 0;
  padding: 9px 16px; font-weight: 600; font-size: 15px;
}
.tabs button.active { color: var(--gold); background: rgba(40, 34, 20, 0.85); }

.savebar, .viewing {
  position: sticky; top: 0; z-index: 5;
  max-width: 1500px; margin: 0 auto; padding: 10px 16px;
  background: rgba(13, 16, 19, 0.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.savebar form { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.savebar label { color: var(--muted); font-weight: 600; }
.savebar input {
  background: #161b20; color: var(--text); border: 1px solid #3a444c; border-radius: 3px;
  padding: 7px 10px; font: inherit; width: 200px;
}
.savebar input:focus { outline: 2px solid var(--gold); outline-offset: 0; }
#save { background: var(--gold); color: #1a1408; border: 0; border-radius: 3px; padding: 8px 18px; font-weight: 700; }
#save:disabled { background: #555; color: #bbb; cursor: default; }
.ghost { background: transparent; color: var(--text); border: 1px solid #3a444c; border-radius: 3px; padding: 7px 12px; }
.ghost:hover { border-color: var(--gold); }
.progress { color: var(--muted); font-variant-numeric: tabular-nums; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--bad); }
.msg.warn { color: var(--gold); }
.viewing { color: var(--gold); display: flex; gap: 12px; align-items: center; }

main { max-width: 1900px; margin: 0 auto; padding: 0 16px 24px; }
h2.section {
  margin: 26px 0 0; text-align: center; font-size: 26px; letter-spacing: 0.08em; text-transform: uppercase;
  text-shadow: 0 2px 6px #000;
}
.scroller { overflow-x: auto; padding: 8px 0 12px; }
.tree { position: relative; margin: 0 auto; }
.wires { position: absolute; left: 0; top: 0; pointer-events: none; }
.wires path { fill: none; stroke: rgba(49, 204, 133, 0.45); stroke-width: 1.5; }

.roundhead {
  position: absolute; width: 196px; text-align: center; display: flex; flex-direction: column; align-items: center;
  text-shadow: 0 2px 4px #000;
}
.rname { font-weight: 700; font-size: 15px; letter-spacing: 0.06em; text-transform: uppercase; }
.rmeta { font-size: 11px; font-weight: 600; }
.rmeta.bo3 { color: #6fbf98; } .rmeta.bo1 { color: #4DA8BB; } .rmeta.bo5 { color: #BD6B48; }

.match {
  position: absolute; width: 196px;
  background: var(--bo3-bg); border: 1px solid var(--bo3-bd);
  box-shadow: 0 2px 8px rgba(0,0,0,0.45);
}
.match.bo1 { background: var(--bo1-bg); border-color: var(--bo1-bd); }
.match.bo5 { background: var(--bo5-bg); border-color: var(--bo5-bd); }
.match .sep { height: 1px; background: rgba(255,255,255,0.12); }
.row {
  height: 30px; display: flex; align-items: center; gap: 6px; padding: 0 6px 0 8px;
  white-space: nowrap; overflow: hidden; position: relative;
}
.row .icons { display: flex; gap: 2px; flex: none; }
.row .icons img { width: 18px; height: 18px; border-radius: 3px; border: 1px solid rgba(0,0,0,0.6); display: block; }
.row .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; flex: 1; text-shadow: 0 1px 2px #000; }
.row .seed { color: var(--muted); font-size: 11px; flex: none; }
.row .right { flex: none; min-width: 18px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.row.placeholder { justify-content: center; }
.row .ph { font-style: italic; color: rgba(232,230,225,0.75); font-size: 12.5px; flex: 1; text-align: center; }
.row.clickable { cursor: pointer; }
.row.clickable:hover, .row.clickable:focus-visible { background: rgba(230, 180, 80, 0.18); outline: none; }
.row.picked { background: rgba(230, 180, 80, 0.26); box-shadow: inset 3px 0 0 var(--gold); }
.row.picked .right { color: var(--gold); }
.row.correct { background: rgba(61, 220, 132, 0.22); box-shadow: inset 3px 0 0 var(--ok); }
.row.correct .right { color: var(--ok); }
.row.wrong { background: rgba(255, 93, 93, 0.18); box-shadow: inset 3px 0 0 var(--bad); }
.row.wrong .name { text-decoration: line-through; opacity: 0.75; }
.row.wrong .right { color: var(--bad); }
.row.actual .right::after { content: "✓"; color: var(--muted); }
.row.won { background: rgba(255,255,255,0.08); }
.row.won .right { color: var(--gold); }
.row.lost { opacity: 0.55; }
.match.st-complete { }

.board { width: 100%; max-width: 820px; margin: 24px auto 0; border-collapse: collapse; background: rgba(13,16,19,0.85); }
.board th, .board td { padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.08); text-align: left; }
.board th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.board .num { text-align: right; font-variant-numeric: tabular-nums; }
.board .pts { color: var(--gold); font-weight: 700; }
.board tr.me td { background: rgba(230,180,80,0.12); }
.board .empty { text-align: center; color: var(--muted); padding: 24px; }
.linkish { background: none; border: 0; padding: 0; color: var(--text); font-weight: 600; text-decoration: underline dotted; }
.linkish:hover { color: var(--gold); }
.note { text-align: center; color: var(--muted); }

.foot { max-width: 1500px; margin: 0 auto; padding: 8px 16px 40px; color: var(--muted); font-size: 12.5px; text-shadow: 0 1px 2px #000; }

@media (max-width: 640px) {
  .brand h1 { font-size: 24px; }
  .clock { align-items: flex-start; }
  .savebar input { width: 100%; }
}