*{box-sizing:border-box}body{margin:0;background:#edf5ff;color:#243955;font:15px/1.5 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;white-space:nowrap;border:1px solid #dbe7f5;border-radius:12px;padding:9px 15px;background:white;color:#304969;font-weight:600;transition:background .15s,transform .15s}button:hover:not(:disabled){background:#e5f0ff;transform:translateY(-1px)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:#3679da;color:white;border-color:#3679da;box-shadow:0 4px 12px #3679da23}button.primary:hover:not(:disabled){background:#2464c2}button.quiet{background:transparent;box-shadow:none}input,select{min-width:0;border:1px solid #d4e2f2;background:#f8fbff;border-radius:10px;color:inherit;padding:10px 12px}input:focus,select:focus{outline:2px solid #68a1f0;outline-offset:2px}button:focus-visible,a:focus-visible{outline:3px solid #f3ae55;outline-offset:3px}[hidden]{display:none!important}.topbar{height:80px;display:flex;align-items:center;justify-content:space-between;max-width:1300px;margin:auto;padding:0 26px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:inherit;font-size:22px;font-weight:750}.brand-icon{background:#3679da;color:white;border-radius:14px;width:44px;height:44px;display:grid;place-items:center;font-size:30px}.brand small{display:block;font-size:11px;letter-spacing:.5px;color:#7b8fa8;font-weight:500}.back{color:#5a7395;text-decoration:none;font-size:13px}.back:hover{color:#2464c2}main{max-width:1300px;margin:auto;padding:12px 26px 32px}.welcome{max-width:580px;margin:0 auto;text-align:center}.welcome-art{height:160px;position:relative}.welcome-art svg{width:320px;height:160px}.art-cloud,.art-star{position:absolute;color:#aecdf5;font-size:40px;left:20%;top:24px}.art-star{color:#f2bf7d;left:76%;top:80px}.eyebrow{font-size:11px;color:#7b92ad;font-weight:750;letter-spacing:2px;text-transform:uppercase}h1{font-size:32px;margin:8px 0 10px;letter-spacing:-1px}.intro{color:#7187a4;margin:0 0 24px}.join-card{width:360px;max-width:100%;margin:auto;background:white;padding:26px;border:1px solid #dce8f6;border-radius:22px;box-shadow:0 16px 60px #6097d219;text-align:left}.join-card label{display:block;font-size:13px;margin-bottom:8px}.join-card>input{width:100%}.join-card>.primary{width:100%;margin-top:13px;display:flex;align-items:center;justify-content:center;gap:14px;padding:12px}.or{text-align:center;font-size:11px;color:#94a4b8;margin:18px 0}.join-row{display:flex;gap:8px}.join-row input{width:100%;letter-spacing:2px;text-transform:uppercase}.fineprint{font-size:11px;text-align:center;color:#92a2b7;margin:18px 0 0}.roombar{display:flex;align-items:center;justify-content:space-between;margin:10px 0 18px;gap:10px}.roombar strong{font-size:22px;letter-spacing:3px;margin:0 12px}.connection{font-size:11px;color:#37956f;background:#ddf4e9;padding:4px 9px;border-radius:30px}.connection.bad{color:#b17a26;background:#fff0d7}.room-actions{display:flex;gap:8px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.board-card,.players-card,.chat-card{background:white;border:1px solid #dbe7f5;border-radius:18px;overflow:hidden;box-shadow:0 8px 30px #6097d211}.roundbar{height:80px;display:flex;justify-content:space-between;align-items:center;padding:16px 22px}.roundbar>div:first-child{display:flex;flex-direction:column;gap:3px}.roundbar span{font-size:12px;color:#7c91ab}.roundbar strong{font-size:22px;letter-spacing:2px}.timer{display:flex;gap:13px;align-items:center}.timer b{border-radius:12px;background:#edf5ff;min-width:54px;text-align:center;padding:7px;font-size:24px;font-variant-numeric:tabular-nums}.timer b.urgent{background:#fff1ea;color:#c96a48}.canvas-wrap{position:relative;background:white;border-block:1px solid #ecf1f8;aspect-ratio:1000/620}canvas{width:100%;height:100%;display:block;touch-action:pan-y;cursor:default}canvas.draw{touch-action:none;cursor:crosshair}.overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;background:#ffffffeb;padding:24px}.overlay h2{margin:4px 0;font-size:27px}.overlay p{color:#7c91ab;font-size:13px}.choices{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:22px}.choices button{padding:14px 20px;font-size:18px;background:#edf5ff}.trophy{font-size:48px}.ranking{padding:0;list-style:none;min-width:210px}.ranking li{display:flex;gap:15px;justify-content:space-between;padding:6px 0;border-bottom:1px solid #e9eff6}.tools{padding:12px 16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;border-bottom:1px solid #ecf1f8}.palette{display:flex;gap:5px;margin-right:auto}.swatch{width:25px;height:25px;border-radius:50%;padding:0;border:2px solid white;box-shadow:0 0 0 1px #dbe4f0}.swatch.selected{box-shadow:0 0 0 2px #3679da}.tools button:not(.swatch),.tools select{font-size:12px;padding:7px 10px}.board-foot{padding:12px 20px;color:#8699af;font-size:12px;display:flex;justify-content:space-between;gap:10px}.lobby-settings{border-top:1px solid #ecf1f8;display:flex;gap:16px;align-items:center;padding:16px 20px}.lobby-settings label{font-size:12px;color:#748aa6}.lobby-settings select{padding:5px 8px;margin-left:5px}.lobby-settings .primary{margin-left:auto}.side{display:flex;flex-direction:column;gap:16px}.section-head{display:flex;justify-content:space-between;align-items:center;padding:15px 16px;border-bottom:1px solid #ecf1f8}h2{font-size:14px;margin:0}.section-head>span{color:#8d9eb2;font-size:11px}#players{list-style:none;padding:4px 14px;margin:0}.player{display:flex;align-items:center;gap:10px;padding:9px 0}.avatar{width:33px;height:33px;border-radius:11px;background:#e7f1ff;color:#5180bd;display:grid;place-items:center;font-weight:750}.player:nth-child(2n) .avatar{background:#e4f3ee;color:#5c9b86}.player:nth-child(3n) .avatar{background:#fff0de;color:#c58b46}.player .name{font-size:13px;flex:1;min-width:0;overflow-wrap:anywhere}.player small{display:block;font-size:10px;color:#8fa0b5}.player .score{font-size:14px;font-weight:750}.player.offline{opacity:.45}.player button{padding:2px 6px;font-size:10px}.chat-card{display:flex;flex-direction:column;height:330px}.messages{padding:12px 16px;overflow:auto;flex:1;scrollbar-width:thin;font-size:13px}.message{margin-bottom:10px;overflow-wrap:anywhere}.message strong{font-size:11px;color:#6e88aa;display:block}.message.correct{color:#309573;background:#eef9f4;padding:8px;border-radius:8px}.message.system{color:#8599b1;font-size:11px}.chat-card form{display:flex;gap:8px;padding:12px;border-top:1px solid #ecf1f8}.chat-card input{width:100%;font-size:13px}.chat-card button{padding:8px 12px;background:#3679da;color:white}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:80;max-width:90vw;padding:12px 22px;background:#263e5c;color:white;border-radius:14px;box-shadow:0 8px 30px #24395530;text-align:center}dialog{border:none;border-radius:18px;padding:26px;max-width:90vw;color:#243955;box-shadow:0 20px 80px #18324d50}dialog::backdrop{background:#24395560}dialog h2{font-size:20px}dialog p{font-size:13px;color:#8193aa}dialog>div{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
@media(min-width:1400px){main{padding-top:30px}.welcome{padding-top:40px}}@media(max-width:800px){.topbar{height:68px;padding:0 16px}.brand{font-size:19px}.brand-icon{width:38px;height:38px}.back{font-size:11px}main{padding:8px 12px 25px}.game-layout{grid-template-columns:1fr;gap:12px}.side{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:10px}.chat-card{height:270px}.roombar{margin:4px 0 12px}.roombar strong{font-size:17px;margin:0 5px}.roombar .eyebrow{display:none}.room-actions button{font-size:11px;padding:8px}.connection{font-size:10px}.roundbar{height:67px;padding:10px 14px}.roundbar strong{font-size:18px}.timer b{font-size:21px;min-width:44px}.timer{gap:8px}.tools{gap:6px;padding:10px}.palette{width:100%;justify-content:center;margin-bottom:4px}.swatch{width:26px;height:26px}.tools button:not(.swatch),.tools select{flex:1;text-align:center}.lobby-settings{padding:12px;gap:8px}.lobby-settings .primary{padding:9px 12px;font-size:12px}.lobby-settings select{font-size:12px;padding:6px;margin-left:2px}.board-foot{padding:10px 12px;font-size:11px}.section-head{padding:12px 10px}.section-head h2{font-size:12px}.section-head span{font-size:9px}#players{padding:3px 9px}.player{gap:7px}.avatar{width:27px;height:27px;font-size:12px}.player .name{font-size:11px}.player .score{font-size:12px}.player small{font-size:9px}.messages{font-size:12px;padding:10px}.chat-card form{padding:8px;gap:5px}.chat-card input{padding:8px;font-size:12px}.welcome-art{height:140px}.welcome-art svg{height:140px}.welcome h1{font-size:28px}.intro{font-size:13px}.join-card{padding:22px}.overlay h2{font-size:21px}.overlay p{font-size:12px}.overlay{padding:12px}.choices button{padding:10px 14px;font-size:15px}.ranking{margin:8px 0;font-size:12px}.ranking li{padding:3px}.trophy{font-size:30px}}@media(max-width:360px){.side{grid-template-columns:1fr}.roombar strong{letter-spacing:1px}.brand small{display:none}.lobby-settings{flex-wrap:wrap}}
.voice-card{background:#fff;border:1px solid #dce8f4;border-radius:16px;padding:12px 16px;margin:0 0 16px}.voice-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.voice-top strong{font-size:14px}.voice-top span{font-size:12px;color:#637a92;margin-left:12px}.voice-actions{display:flex;gap:6px;flex-wrap:wrap}.voice-actions button{padding:8px 12px;font-size:13px}.voice-actions button[aria-pressed=true]{background:#f8e5e9;color:#a84a61}#voiceMembers{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:8px 0 0}#voiceMembers:empty{margin:0}#voiceMembers li{display:flex;align-items:center;gap:8px;background:#f2f7fc;border-radius:9px;padding:6px 10px}#voiceMembers input{width:72px;padding:0;accent-color:#428aca}.voice-name{font-size:12px}.voice-name:before{content:'●';color:#9aafc4;margin-right:5px}.voice-name.speaking:before{color:#35b985}@media(max-width:600px){.voice-top{align-items:flex-start;flex-direction:column;gap:8px}.voice-top span{display:block;margin:4px 0 0}.voice-actions{width:100%}.voice-card{padding:12px}}