:root{color-scheme:light;--bg:#f8f5ed;--panel:#fff;--ink:#173e37;--muted:#607369;--line:#a9bcb0;--soft:#e6eee7;--gold:#f4c677;--green:#103c35}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font:16px system-ui,sans-serif}body.dark{color-scheme:dark;--bg:#0a1e1c;--panel:#153b34;--ink:#f4f1e5;--muted:#b2cbc1;--line:#538471;--soft:#245348}header,main,footer{max-width:1180px;margin:auto}header{padding:24px;display:flex;justify-content:space-between;align-items:center;gap:16px}a{color:inherit}.brand{font-size:23px;font-weight:850;letter-spacing:-1px;text-decoration:none}.brand span{color:#b97535}main{padding:8px 24px 40px}.intro{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:22px 0 32px}.intro p{max-width:630px;line-height:1.7;color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:800;color:#a66d27}h1{font:clamp(46px,7vw,70px) Georgia;margin:12px 0;letter-spacing:-2px}h1 em{font-style:normal;color:#a66d27}h2{font:27px Georgia;margin:0 0 10px}.hero-ball,.call-ball{border-radius:50%;background:var(--gold);color:#103c35;display:flex;justify-content:center;align-items:center;font-weight:850;box-shadow:inset 0 -8px 0 #a66d2726,0 8px 24px #103c3518}.hero-ball{width:135px;height:135px;flex-shrink:0;font-size:60px;flex-direction:column;transform:rotate(12deg)}.hero-ball span{font-size:22px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:26px;margin-bottom:20px}.muted{color:var(--muted);line-height:1.6}.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin:20px 0}label{font-size:14px;font-weight:650}select,input[type=text]{display:block;width:100%;padding:12px;margin-top:7px;background:var(--bg);border:1px solid var(--line);border-radius:9px;color:var(--ink);font:inherit}button{font:650 14px system-ui;cursor:pointer;border-radius:10px;padding:12px 17px}button:disabled{opacity:.5;cursor:default}.gold{background:var(--gold);color:#103c35;border:1px solid #d5ab62}.quiet{background:var(--panel);color:var(--ink);border:1px solid var(--line)}button:hover:not(:disabled){filter:brightness(.95)}:focus-visible{outline:3px solid #1769d2;outline-offset:3px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.caller{display:grid;grid-template-columns:190px 1fr;gap:25px}.call-ball{width:135px;height:135px;font-size:43px;margin:14px 0}.controls{align-self:center}.options{margin:18px 0}.options select{display:inline-block;width:auto;margin:0 0 0 7px}.options label{display:flex;align-items:center;gap:7px}#notice{line-height:1.6;color:var(--muted);margin-bottom:0}.scores{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.score{padding:12px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow-wrap:anywhere}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:20px}.cards.solo{grid-template-columns:minmax(0,500px);justify-content:center}.bingo-card{padding:22px;border-radius:20px;border:2px solid var(--line);background:var(--panel);min-width:0}.bingo-card.winner{border-color:#a66d27;box-shadow:0 0 0 3px #f4c677}.card-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.card-title h2{font:700 20px system-ui;overflow-wrap:anywhere;margin:0}.board{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.letter{background:var(--green);color:#f4c677;text-align:center;border-radius:7px;padding:8px;font-weight:850;font-size:22px}.square{aspect-ratio:1;padding:3px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:clamp(17px,2.5vw,25px);border-radius:9px}.square.marked{background:var(--green);color:#fff;border-color:var(--green)}.square.called:not(.marked){border:2px solid #a66d27;background:#f4c67733}.square.free{font-size:12px;background:#f4c677;color:#103c35}.claim{width:100%;margin-top:18px;font-size:17px}.card-note{font-size:13px;color:var(--muted);line-height:1.5;margin:12px 0 0}.history summary,.rules summary{font-weight:750;cursor:pointer}.history #history{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.chip{background:var(--soft);border-radius:20px;padding:7px 11px;font-weight:650;font-size:14px}.rules p{line-height:1.7;color:var(--muted)}.shop-panel{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px;background:var(--soft);border-radius:20px}.shop-panel p{color:var(--muted);margin-bottom:0}.shop-panel a{background:var(--green);color:white;padding:13px 20px;border-radius:25px;white-space:nowrap;text-decoration:none;font-weight:650;font-size:14px}footer{padding:24px;font-size:12px;color:var(--muted);line-height:1.8}.celebration{position:fixed;pointer-events:none;inset:0;z-index:50;overflow:hidden}.confetti{position:absolute;top:-30px;width:10px;height:20px;animation:fall 2.4s ease-in forwards}@keyframes fall{to{transform:translateY(110vh) rotate(720deg)}}@media(max-width:650px){header{flex-wrap:wrap;padding:18px}main{padding:4px 16px 30px}.hero-ball{width:85px;height:85px;font-size:36px}.hero-ball span{font-size:16px}.intro{gap:12px}.caller{grid-template-columns:1fr}.caller>div:first-child{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.call-ball{width:90px;height:90px;font-size:28px}.cards{grid-template-columns:1fr}.panel{padding:20px}.shop-panel{flex-direction:column;align-items:flex-start}.bingo-card{padding:16px}.square{font-size:24px}.square.free{font-size:12px}}@media(prefers-reduced-motion:reduce){.confetti{animation:none}}