:root {
  --bg: #f3f6f9;
  --surface: #ffffff;
  --fg: #15212e;
  --muted: #5b6b7c;
  --line: #d6dfe8;
  --court: #1b5fa6;
  --court-soft: #e3edf8;
  --on-court: #ffffff;
  --ball: #9a6a00;
  --ball-soft: #fbf1d6;
  --wa: #1d8a50;
  --ok-soft: #e1f3e8;
  --err: #b3261e;
  --err-soft: #fbe6e4;
  --font: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1720; --surface: #17222e; --fg: #e7eef5; --muted: #9aabbd; --line: #2a3a4b;
    --court: #6aa6ea; --court-soft: #1a2e45; --on-court: #0f1720; --ball: #f0c04a; --ball-soft: #3a2f12;
    --wa: #4cc684; --ok-soft: #133826; --err: #ff8a80; --err-soft: #3d1a18;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 var(--font); }
a { color: var(--court); }
h1, h2 { line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.15rem; margin-top: 8px; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }

.top { background: var(--court); color: var(--on-court); padding-top: env(safe-area-inset-top, 0px); }
.top .inner { max-width: 640px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px max(16px, env(safe-area-inset-right, 0px)) 12px max(16px, env(safe-area-inset-left, 0px)); }
.brand { color: var(--on-court); font-weight: 800; text-decoration: none; font-size: 1.1rem; }
nav { display: flex; gap: 14px; flex-wrap: wrap; }
nav a { color: var(--on-court); text-decoration: none; font-weight: 600; font-size: .92rem; opacity: .92; }

.wrap { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px;
  padding: 20px max(16px, env(safe-area-inset-right, 0px)) calc(40px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.hero { display: flex; flex-direction: column; gap: 8px; padding-top: 8px; }
.hero h1 { font-size: 2rem; }
.lede { color: var(--muted); font-size: 1.05rem; }
.hello { display: flex; flex-direction: column; gap: 4px; }
.stack { display: flex; flex-direction: column; gap: 10px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
details.card { gap: 8px; }
details.card summary { cursor: pointer; font-weight: 600; }
.match h1 { font-size: 1.5rem; }
.when { font-size: 1.2rem; font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { background: var(--court-soft); color: var(--court); border-radius: 999px; padding: 3px 10px; font-size: .85rem; font-weight: 700; white-space: nowrap; }
.pill.full { background: var(--ball-soft); color: var(--ball); }
.tag { font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; white-space: nowrap; }
.tag.warn { color: var(--ball); border-color: var(--ball); }

.notice { border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: var(--court-soft); }
.notice.ok { background: var(--ok-soft); }
.notice.error { background: var(--err-soft); color: var(--err); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--fg);
  font: inherit; font-weight: 700; border-radius: 10px; padding: 11px 16px; text-decoration: none; cursor: pointer; min-height: 44px; }
.btn.primary { background: var(--court); border-color: var(--court); color: var(--on-court); }
.btn.big { font-size: 1.1rem; padding: 14px 18px; width: 100%; }
.btn.wa { background: var(--wa); border-color: var(--wa); color: #fff; width: 100%; }
.btn.wa svg { width: 20px; height: 20px; flex: none; }
.btn.small { padding: 6px 12px; min-height: 36px; font-size: .88rem; }
.btn.link { background: none; border: 0; color: var(--muted); text-decoration: underline; padding: 4px 0; min-height: 0; font-weight: 500; }
.btn:focus-visible, input:focus-visible, select:focus-visible, .seg input:focus-visible + label { outline: 3px solid var(--court); outline-offset: 2px; }

.form label, .form .label { font-weight: 600; font-size: .92rem; margin-top: 4px; }
input:not([type=radio]):not([type=checkbox]), select { width: 100%; font: inherit; color: var(--fg); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; min-height: 44px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.two-col > div { display: flex; flex-direction: column; gap: 4px; min-width: 0; }

/* segmented buttons built from radio inputs */
.seg { display: grid; gap: 8px; }
.seg.two { grid-template-columns: 1fr 1fr; }
.seg.three { grid-template-columns: repeat(3, 1fr); }
.seg.col { grid-template-columns: 1fr; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { margin: 0; text-align: center; border: 1px solid var(--line); border-radius: 10px; padding: 11px 8px; cursor: pointer; font-weight: 600; background: var(--surface); }
.seg.col label { text-align: left; padding-inline: 14px; }
.seg input:checked + label { background: var(--court); border-color: var(--court); color: var(--on-court); }

.list { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.row:first-child { border-top: 0; }
.row .who { min-width: 0; flex: 1 1 180px; }
.row .who > a { font-weight: 700; text-decoration: none; color: var(--fg); }
.row .act { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.lvl { font-weight: 700; color: var(--court); }
.lvl.none { color: var(--muted); font-weight: 600; }

.levels { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lvlbtn { font: inherit; font-weight: 700; padding: 16px 10px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--fg); cursor: pointer; min-height: 56px; }
.lvlbtn.on { background: var(--court); border-color: var(--court); color: var(--on-court); }
.chain { border-color: var(--wa); }
.levels .played { grid-column: 1 / -1; font-size: 1rem; font-weight: 600; background: var(--court-soft); border-radius: 12px; padding: 12px 14px; }
.levels .played input { width: 22px; height: 22px; flex: none; accent-color: var(--court); }
.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.foot .inner { max-width: 640px; margin: 0 auto; padding: 16px max(16px, env(safe-area-inset-right, 0px)) calc(24px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.why { color: var(--fg); }
.how-list { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; color: var(--muted); }
.how-list strong { color: var(--fg); }

form.inline { display: inline; }
.row-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.row-form select { flex: 1 1 180px; width: auto; }
.row-form label { flex-basis: 100%; }
.danger { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 8px; }
.check { display: inline-flex; gap: 6px; align-items: center; font-size: .9rem; }
details ul { margin: 0; padding-left: 18px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }