:root {
  --bg: #f4f6f3; --surface: #fff; --text: #14201a; --muted: #5c6b63; --border: #dce3de;
  --court: #1f6f4a; --court-ink: #fff; --ball: #d4e157; --win: #1f6f4a; --error: #c62828;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1512; --surface: #16201b; --text: #e7efe9; --muted: #92a69a; --border: #26342c;
    --court: #2e8b5f; --court-ink: #fff; --ball: #d4e157; --win: #6fd3a0; --error: #ff8a80;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1 { font-size: 28px; margin: 8px 0 4px; letter-spacing: -0.02em; }
a { color: inherit; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; background: var(--court); color: var(--court-ink); }
.brand { font-weight: 700; text-decoration: none; }
.page { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px; }
.muted, .back { color: var(--muted); }
.back { text-decoration: none; font-size: 14px; }
.flash { background: var(--surface); border-left: 4px solid var(--court); padding: 10px 14px; border-radius: 6px; }

.btn { display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: 600 15px system-ui, sans-serif; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--muted); }
.btn--primary { background: var(--ball); border-color: var(--ball); color: #1b2a0a; }
.btn--point { background: var(--court); border-color: var(--court); color: var(--court-ink); padding: 14px 20px; font-size: 16px; }
.link-btn { background: none; border: 0; color: var(--error); cursor: pointer; font: 14px system-ui, sans-serif; padding: 0; }

.board { width: 100%; border-collapse: collapse; margin: 20px 0 8px; background: var(--surface); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.12); font-variant-numeric: tabular-nums; }
.board th, .board td { padding: 14px 12px; text-align: center; border-bottom: 1px solid var(--border); }
.board thead th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.board tbody th { text-align: left; font-size: 18px; }
.board td { font-size: 22px; font-weight: 600; color: var(--muted); }
.board td.won { color: var(--text); font-weight: 800; }
.board td.current { color: var(--text); }
.board td.points { background: var(--court); color: var(--court-ink); font-weight: 800; min-width: 72px; }
.board tr.is-winner th { color: var(--win); }
.trophy { margin-left: 6px; }
.call { min-height: 28px; font-size: 18px; font-weight: 600; color: var(--court); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 32px; }
.danger-zone { border-top: 1px solid var(--border); padding-top: 16px; }

.match-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; padding: 14px 16px; margin-bottom: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; text-decoration: none; }
.match-row:hover { border-color: var(--muted); }
.match-row__score { display: flex; gap: 10px; font-weight: 700; font-variant-numeric: tabular-nums; }
.match-row__meta { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.is-winner { color: var(--win); }
.live { color: var(--court); }
.empty { text-align: center; padding: 48px 16px; background: var(--surface); border-radius: 12px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.form { display: grid; gap: 18px; margin-top: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } .board th, .board td { padding: 10px 6px; } .board td { font-size: 18px; } }
.field { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; }
.field > span, legend { font-weight: 600; font-size: 14px; color: var(--muted); }
.field input { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: 16px system-ui, sans-serif; }
.choices { display: flex; flex-wrap: wrap; gap: 16px; }
.choice { display: flex; align-items: center; gap: 8px; }
.error { color: var(--error); }
nav[role="navigation"] { margin-top: 16px; }

.btn--auto { margin-top: 16px; }
.btn--auto[aria-pressed="true"] { background: var(--ball); border-color: var(--ball); color: #1b2a0a; }
.autoplay-hint { font-size: 13px; margin-left: 8px; }
.btn--danger { background: var(--error); border-color: var(--error); color: #fff; }
.danger-zone summary { list-style: none; display: inline-block; }
.danger-zone summary::-webkit-details-marker { display: none; }
.danger-zone[open] summary { display: none; }
.confirm { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.confirm span { flex-basis: 100%; }