:root {
  color-scheme: dark;
  --bg: #071812;
  --panel: #10271e;
  --line: #294638;
  --text: #f4f7ee;
  --muted: #9fb4a7;
  --accent: #e7ff59;
  --accent-dark: #132000;
}

* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top, #17422e 0, var(--bg) 42rem); color: var(--text); font: 16px/1.45 system-ui, sans-serif; }
button, input { font: inherit; }
button { border: 0; border-radius: 999px; background: var(--accent); color: var(--accent-dark); padding: .72rem 1rem; font-weight: 800; cursor: pointer; }
button.secondary { background: transparent; border: 1px solid var(--line); color: var(--text); }
header { max-width: 1000px; margin: auto; padding: 3rem 1.25rem 2rem; display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
h1 { margin: .15rem 0; font-size: clamp(2.4rem, 8vw, 5.4rem); line-height: .95; letter-spacing: -.07em; max-width: 700px; }
h2, h3, h4 { margin: 0; letter-spacing: -.03em; }
p { color: var(--muted); }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
nav { position: sticky; top: 0; z-index: 3; max-width: 1000px; margin: auto; padding: .7rem 1.25rem; display: flex; gap: .4rem; overflow: auto; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); }
nav button { color: var(--muted); background: transparent; white-space: nowrap; }
nav button.active { color: var(--accent-dark); background: var(--accent); }
main { max-width: 1000px; margin: auto; padding: 1.5rem 1.25rem 5rem; }
.tab { display: none; }
.tab.active { display: block; }
.section-title { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.ranking, .matches { display: grid; gap: .65rem; }
.rank-row, .match { background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--line); border-radius: 18px; padding: 1rem; }
.rank-row { display: grid; grid-template-columns: 2.2rem 1fr repeat(2, minmax(3rem, auto)); gap: .75rem; align-items: center; }
.rank-row { width: 100%; color: var(--text); text-align: left; border-radius: 18px; }
.rank-row:hover, .rank-row.selected { border-color: var(--accent); translate: 0 -1px; }
.rank-row strong:first-child { color: var(--accent); font-size: 1.3rem; }
.rank-row span { color: var(--muted); text-align: right; font-size: .85rem; }
.rank-row b { display: block; color: var(--text); font-size: 1.1rem; }
.match { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: .8rem; }
.match small { display: block; color: var(--accent); margin-bottom: .35rem; }
.group-block { margin: 1.3rem 0 2.5rem; }
.group-block > h3 { position: sticky; top: 4.5rem; z-index: 2; background: var(--accent); color: var(--accent-dark); border-radius: 12px; padding: .65rem .85rem; font-size: 1.25rem; }
.round-block { margin-top: 1rem; }
.round-block h4 { color: var(--muted); margin: 0 0 .45rem .2rem; }
.teams { font-weight: 800; }
.score { display: flex; align-items: center; gap: .4rem; }
.score input { width: 3.2rem; text-align: center; font-weight: 900; font-size: 1.1rem; }
input { background: #07130e; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: .65rem; }
input:disabled { opacity: .45; }
.notice, .admin-key { display: block; background: #172f25; border: 1px solid var(--line); border-radius: 14px; padding: .8rem 1rem; margin: 0 0 1rem; }
.notice.compact { padding: .6rem .8rem; font-size: .9rem; }
.subnav { display: flex; gap: .5rem; margin: 1rem 0 1.5rem; }
.subnav button { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.subnav button.active { background: var(--accent); color: var(--accent-dark); }
.knockout-block > h3 { background: #d7c6ff; }
.admin-teams { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.admin-teams input { min-width: 0; }
.admin-key input { display: block; width: 100%; margin-top: .5rem; }
dialog { width: min(92vw, 430px); border: 1px solid var(--line); border-radius: 22px; background: var(--panel); color: var(--text); padding: 0; }
dialog::backdrop { background: #000a; backdrop-filter: blur(4px); }
dialog form { padding: 1.5rem; position: relative; display: grid; gap: .8rem; }
dialog label { display: grid; gap: .35rem; color: var(--muted); }
.close { position: absolute; right: .7rem; top: .7rem; background: transparent; color: var(--text); font-size: 1.5rem; }
.error { color: #ff9f9f; min-height: 1.4em; margin: 0; }
.comparison-title { display: flex; justify-content: space-between; align-items: center; margin: 2.5rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.comparison-table { display: grid; gap: .4rem; overflow: auto; }
.comparison-head, .comparison-row { min-width: 680px; display: grid; grid-template-columns: minmax(230px, 1fr) repeat(3, 90px); gap: .8rem; align-items: center; padding: .75rem 1rem; }
.comparison-head { color: var(--muted); font-size: .8rem; font-weight: 800; text-transform: uppercase; }
.comparison-row { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.comparison-row small { display: block; color: var(--muted); }
.comparison-row span, .comparison-row strong { text-align: center; }
.comparison-row em { display: inline-block; margin-left: .3rem; color: var(--accent); font-size: .75rem; font-style: normal; font-weight: 900; }
.group-comparisons { display: grid; gap: 2rem; }
.group-comparison { background: color-mix(in srgb, var(--panel) 70%, transparent); border: 1px solid var(--line); border-radius: 20px; padding: 1rem; }
.group-comparison > h3 { color: var(--accent); margin-bottom: .8rem; }
.standings-grid { display: grid; grid-template-columns: repeat(3, minmax(210px, 1fr)); gap: .7rem; overflow: auto; padding-bottom: .8rem; }
.standings { min-width: 210px; background: #07130e; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.standings h4 { padding: .65rem .75rem; background: #19352a; }
.standings.mine h4 { background: #31440d; }
.standings.theirs h4 { background: #302445; }
.standings-row { display: grid; grid-template-columns: 1fr 2.5rem 2.5rem; gap: .3rem; padding: .42rem .65rem; border-top: 1px solid #183025; font-size: .82rem; }
.standings-row span { text-align: center; }
.standings-row.head { color: var(--muted); font-size: .68rem; text-transform: uppercase; }
.comparison-round { min-width: 680px; color: var(--accent); font-size: .78rem; font-weight: 900; padding: .65rem .9rem .15rem; text-transform: uppercase; }
.comparison-subnav { margin-top: 0; }
.knockout-comparison { padding: .8rem; }
.knockout-comparison .comparison-table { gap: .3rem; }
#toast { position: fixed; bottom: 1rem; left: 50%; translate: -50%; background: var(--accent); color: var(--accent-dark); border-radius: 999px; padding: .7rem 1rem; font-weight: 800; opacity: 0; pointer-events: none; transition: opacity .2s; }
#toast.show { opacity: 1; }

@media (max-width: 600px) {
  header { padding-top: 2rem; }
  h1 { font-size: 3.3rem; }
  .rank-row { grid-template-columns: 1.8rem 1fr repeat(2, minmax(2.5rem, auto)); }
  .match { grid-template-columns: 1fr; }
  .score { justify-content: end; }
}