:root{--tennis-yellow:#F2F26B;--sporty-orange:#FF6F36;--court-green:#2A8C5B;--electric-blue:#2358B7;--charcoal:#141413;--eggshell:#FFFCEE}*{box-sizing:border-box}body{margin:0;font-family:system-ui;background:var(--eggshell);-webkit-tap-highlight-color:transparent}.topbar{background:#d3d3d3;color:var(--charcoal);padding:12px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.topbar>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}select,input{font-size:16px;padding:10px;border-radius:6px;border:none;max-width:100%}.restart{background:var(--charcoal);color:#fff;border:none;padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer;touch-action:manipulation}.board{background:#fff;margin:10px;border-radius:16px;overflow:hidden}.header,.player{display:grid;grid-template-columns:1.4fr .6fr .6fr .6fr .6fr;align-items:center}.header{background:var(--charcoal);color:#fff;font-size:12px;text-align:center}.header div{padding:12px 4px}.player{font-size:18px}.player.a{background:#fffcee;color:var(--electric-blue)}.player.b{background:#f9f9d8;color:var(--sporty-orange)}.cell{text-align:center;padding:16px 4px;font-weight:700}.name{display:flex;align-items:center;gap:8px;padding-left:8px}.name input{font-size:18px;border:none;background:transparent;width:100%;font-weight:600}.trophy{display:none;font-size:18px;margin-left:5px;animation:pulse 1s infinite}.trophy.visible{display:inline}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.points{font-size:22px}.serve{width:10px;height:10px;border-radius:50%;background:var(--court-green);visibility:hidden;flex-shrink:0}.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px;padding-bottom:12px}.btn{padding:32px;font-size:22px;border:none;border-radius:16px;font-weight:700;cursor:pointer;touch-action:manipulation;transition:transform .1s,opacity .1s;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.95)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.pointA{background:var(--electric-blue);color:#fff}.pointB{background:var(--sporty-orange);color:#fff}.alt{background:#d3d3d3;color:var(--charcoal)}.endMatch{background:#f10b0b;color:#fff;padding:15px 20px;font-size:14px;width:auto}.status-bar{background:var(--charcoal);color:#fff;text-align:center;padding:8px;font-size:12px;display:none}.status-bar.online{background:var(--court-green);display:block}.status-bar.offline{background:#c0392b;display:block}.status-bar.syncing{background:var(--tennis-yellow);display:block}@media(max-width:600px){.topbar{font-size:14px;padding:10px;gap:8px}.topbar>div{gap:6px}select,input{font-size:14px;padding:8px}.restart{padding:8px 12px;font-size:13px}.pin-lock-btn{padding:7px 10px;font-size:12px}.header{font-size:10px}.header div{padding:10px 2px}.player{font-size:16px}.cell{padding:12px 2px}.name input{font-size:16px}.serve{width:8px;height:8px}.controls{gap:10px;margin:10px}.btn{padding:26px 16px;font-size:18px}.points{font-size:20px}.endMatch{font-size:13px;padding:12px 16px}}@media(max-width:480px){.topbar{flex-direction:column;align-items:stretch;gap:6px}.topbar>div{justify-content:center}.topbar>div:first-child{justify-content:center}.topbar>div:last-child{justify-content:center;flex-wrap:wrap}#umpireName{flex:1;min-width:80px;max-width:140px}.btn{padding:22px 14px;font-size:17px}}@media(max-width:400px){.header,.player{grid-template-columns:1.2fr .55fr .55fr .55fr .55fr}.player,.name input{font-size:14px}.points{font-size:18px}.btn{padding:20px 10px;font-size:16px}.controls{gap:8px;margin:8px}.board{margin:8px}.restart{padding:7px 10px;font-size:12px}.pin-lock-btn{padding:6px 8px;font-size:11px}select,input{font-size:13px;padding:7px}}@media(max-width:360px){.header,.player{grid-template-columns:1fr .5fr .5fr .5fr .5fr}.topbar{padding:6px;gap:4px}.topbar>div{gap:4px}select,input{font-size:12px;padding:6px}.restart{padding:6px 8px;font-size:11px}.pin-lock-btn{padding:5px 7px;font-size:10px}.btn{padding:18px 8px;font-size:15px}.name input{font-size:13px}.name{padding-left:4px;gap:4px}.cell{padding:10px 2px}}.pin-overlay{position:fixed;inset:0;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000}.pin-modal{background:#fff;padding:30px;border-radius:16px;text-align:center;max-width:320px;width:90%}.pin-modal h2{margin:0 0 10px;color:var(--charcoal)}.pin-modal p{margin:0 0 20px;color:#666;font-size:14px}.pin-input{width:100%;padding:15px;font-size:24px;text-align:center;border:2px solid #ddd;border-radius:8px;letter-spacing:8px;margin-bottom:15px}.pin-input:focus{outline:none;border-color:var(--electric-blue)}.pin-btn{width:100%;padding:15px;font-size:18px;font-weight:600;border:none;border-radius:8px;background:var(--electric-blue);color:#fff;cursor:pointer}.pin-btn:hover{background:#1c4699}.pin-error{color:#c0392b;font-size:14px;margin-top:10px;display:none}.pin-lock-btn{background:var(--charcoal);color:#fff;border:none;padding:8px 12px;border-radius:6px;font-size:12px;cursor:pointer;margin-left:10px}.viewer-mode-banner{background:var(--tennis-yellow);color:var(--charcoal);text-align:center;padding:8px;font-size:12px;font-weight:600}