:root {
  --bg: #0f172a;
  --surface: #111827;
  --surface-2: #0b1220;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #3b82f6;
  --primary-600: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
  --ghost: #1f2937;
  --border: #1f2937;
}

* { box-sizing: border-box; }
body { font-family: -apple-system, system-ui, Segoe UI, Roboto, sans-serif; margin: 0; padding: 0; background: linear-gradient(180deg, var(--bg), var(--surface)); color: var(--text); }
.container { max-width: 920px; margin: 0 auto; padding: 16px; }
.app-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 36px; height: 36px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.title { font-weight: 700; font-size: 20px; }
.userbox { color: var(--muted); font-size: 14px; }
.content { display: grid; gap: 16px; }
.section { }
.hidden { display: none; }
.muted { color: var(--muted); }

.card { background: radial-gradient(400px 200px at 10% 10%, rgba(59,130,246,0.08), transparent), var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.card.subtle { background: var(--surface-2); }
.card-header { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.card-title { font-weight: 600; }
.card-body { padding: 16px; }

.btn-row { display: flex; gap: 10px; align-items: center; }
.btn-row.end { justify-content: flex-end; }
.btn-row.space { margin-top: 8px; }
.btn { border: 1px solid var(--border); background: var(--ghost); color: var(--text); padding: 10px 14px; border-radius: 10px; cursor: pointer; transition: background .15s, transform .05s; }
.btn:hover { background: #263041; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); border-color: var(--primary-600); }
.btn-primary:hover { background: var(--primary-600); }
.btn-success { background: var(--success); border-color: #16a34a; }
.btn-danger { background: var(--danger); border-color: #dc2626; }
.btn-ghost { background: var(--surface); }

.form-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.field { display: grid; gap: 6px; }
.field.compact { width: 120px; }
input { background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 10px 12px; outline: none; }
input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(59,130,246,.25); }
code { background: var(--surface); border: 1px solid var(--border); padding: 2px 6px; border-radius: 6px; }

.preview { display: grid; gap: 14px; margin-top: 12px; }
.preview-header { display: flex; gap: 16px; flex-wrap: wrap; }
.kv { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.kv b { color: var(--text); }

.teams-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.team-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.team-header { padding: 10px 12px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.team-badge { font-weight: 700; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); background: #152033; }
.players { list-style: none; margin: 0; padding: 8px 12px; display: grid; gap: 6px; }
.player { display: flex; align-items: center; gap: 8px; }
.avatar { width: 24px; height: 24px; border-radius: 50%; background: #334155; }
.player-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.losers-list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 4px 10px; font-size: 13px; color: var(--muted); }

.games-round { margin-bottom: 10px; }
.games-item { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; margin-top: 6px; background: var(--surface); }
.games-score { font-weight: 700; }
.badge { font-size: 12px; padding: 2px 8px; border: 1px solid var(--border); border-radius: 999px; background: #152033; color: var(--muted); }

.table { display: grid; gap: 8px; }
.row { display: grid; grid-template-columns: 1.5fr .6fr .6fr .6fr .6fr; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.row.head { background: transparent; border-color: transparent; color: var(--muted); font-weight: 600; }