:root { --bg: #f6f7f9; --fg: #1d2128; --muted: #6b7280; --line: #d9dde3; --accent: #1f6feb; --card: #fff; --win: #dcfce7; --warn: #b45309; }
@media (prefers-color-scheme: dark) { :root { --bg: #14171c; --fg: #e6e8eb; --muted: #9aa3ad; --line: #2c323a; --accent: #58a6ff; --card: #1c2128; --win: #14532d; --warn: #f59e0b; } }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--fg); }
header { display: flex; align-items: center; gap: 24px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--card); flex-wrap: wrap; }
header .brand { font-weight: 700; text-decoration: none; color: var(--fg); }
header nav a, header .who a { margin-right: 14px; }
header .who { margin-left: auto; display: flex; gap: 10px; align-items: center; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
a { color: var(--accent); }
h2 { margin: 8px 0 12px; } h3 { margin: 16px 0 8px; } h4 { margin: 0 0 8px; }
table { border-collapse: collapse; width: 100%; margin-bottom: 16px; background: var(--card); }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); }
tr.inactive { opacity: .55; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin-bottom: 16px; }
.grid { display: grid; gap: 8px; }
label { display: block; }
input, select, textarea { width: 100%; max-width: 480px; padding: 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); }
button, .btn { display: inline-block; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); cursor: pointer; text-decoration: none; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.danger { color: #dc2626; } button.small { padding: 2px 8px; font-size: 13px; }
form.inline { display: inline-block; margin-right: 8px; }
.muted { color: var(--muted); } .warn { color: var(--warn); }
.tag { font-size: 12px; padding: 1px 6px; border-radius: 10px; background: var(--accent); color: #fff; }
.status { font-size: 12px; padding: 1px 8px; border-radius: 10px; border: 1px solid var(--line); text-transform: capitalize; }
.status.running { border-color: var(--accent); color: var(--accent); }
.status.finished { background: var(--win); }
.picker { columns: 3 180px; margin: 8px 0; }
.picker label { break-inside: avoid; font-size: 14px; }
.bracket { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; }
.round { min-width: 220px; display: flex; flex-direction: column; justify-content: space-around; gap: 12px; }
.match { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; font-size: 14px; }
.match .won { background: var(--win); font-weight: 600; border-radius: 4px; padding: 0 4px; }
.match .meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.match.needs_admin, .match.error { border-color: var(--warn); }
@media (max-width: 600px) { header nav a { margin-right: 8px; } .picker { columns: 2; } }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 12px 0 16px; }
.tab { border: 1px solid transparent; border-bottom: none; border-radius: 6px 6px 0 0; background: none; color: var(--muted); padding: 8px 14px; margin-bottom: -1px; }
.tab.active { background: var(--card); border-color: var(--line); color: var(--fg); font-weight: 600; }
.hidden { display: none; }
.actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.seed { display: inline-block; min-width: 1.4em; margin-right: 4px; font-size: 11px; color: var(--muted); text-align: right; }
.match.preview { border-style: dashed; }
.match.bye { opacity: .7; }
label.inline { display: inline; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px; text-align: center; }
.tile b { display: block; font-size: 22px; } .tile span { color: var(--muted); font-size: 12px; }