:root{color-scheme:light;--paper:#f5f3ec;--ink:#233d33;--muted:#6e776e;--green:#244d42;--card:#fffef9;--panel:#e7ebe1;--button:#244d42;--line:#d8ddd2;--board:#ebdec0;--brightness:1;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);-webkit-tap-highlight-color:transparent}body[data-theme=night]{color-scheme:dark;--paper:#151d1a;--ink:#e8ede6;--muted:#adb8ae;--green:#a0d0b2;--card:#212d27;--panel:#293a31;--button:#2d6654;--line:#35483c;--board:#59604a}#surface{min-height:100vh;min-height:100dvh}.app{max-width:520px;margin:0 auto;padding:calc(22px + env(safe-area-inset-top)) 24px calc(26px + env(safe-area-inset-bottom))}.topbar,.topbar nav,.game-top,.players,.section-label,.modal-heading,.room-strip{display:flex;align-items:center;justify-content:space-between}.topbar{gap:16px;margin-bottom:34px}.topbar nav{gap:18px}.brand{font-family:"Songti SC","Noto Serif CJK SC",SimSun,serif!important;font-size:30px!important;font-weight:700;letter-spacing:1px;display:flex;align-items:center;gap:7px}.brand-dot{width:6px;height:6px;background:var(--green);border-radius:50%;margin-top:16px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:0;color:var(--ink)}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--green);outline-offset:4px}.plain{background:transparent;padding:8px 0;color:var(--green);font-size:14px}.hero{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:32px}.eyebrow{font-size:10px;letter-spacing:3px;color:var(--muted);margin:0 0 16px}h1{font-family:"Songti SC","Noto Serif CJK SC",SimSun,serif;font-size:52px;font-weight:400;line-height:1.4;letter-spacing:1px;margin:0}.hero-copy{font-size:14px;color:var(--muted);margin:14px 0 0;line-height:1.7}.mini-board{width:116px;height:142px;flex-shrink:0;border-radius:20px;background-color:var(--board);position:relative;transform:rotate(5deg)}.mini-board:before{content:"";position:absolute;inset:12px;background-image:linear-gradient(#87907466 1px,transparent 1px),linear-gradient(90deg,#87907466 1px,transparent 1px);background-size:13px 13px}.mini-board i{position:absolute;width:17px;height:17px;border-radius:50%;background:radial-gradient(circle at 30% 25%,#626f60,#202b25);top:41px;left:30px;box-shadow:0 2px 3px #0003}.mini-board i:nth-child(2){top:54px;left:43px}.mini-board i:nth-child(3){top:67px;left:56px;background:radial-gradient(circle at 30% 25%,#fffef9,#d9dfc7)}.mini-board i:nth-child(4){top:80px;left:69px;background:radial-gradient(circle at 30% 25%,#fffef9,#d9dfc7)}.mini-board i:nth-child(5){top:80px;left:43px}.section-label{font-size:15px;margin-bottom:14px}.quiet{font-size:11px;color:var(--muted)}.primary,.outline,.soft,.resume{width:100%;min-height:52px;border-radius:14px;padding:15px 18px;font-size:16px}.primary{background:var(--button);color:#f5f8f2;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px}.online-entry .primary,.online-entry .outline{justify-content:space-between;display:flex;align-items:center}.outline{border:1px solid var(--green);background:transparent;color:var(--green);margin-top:10px}.soft{background:var(--panel);color:var(--green)}.resume{margin-top:10px;background:var(--panel);color:var(--green);font-size:14px}.hint{font-size:12px;color:var(--muted);line-height:1.8;text-align:center;margin:12px 0 0}.local-options{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:28px}.local-options button{display:flex;gap:18px;align-items:center;background:transparent;text-align:left;width:100%;padding:19px 0}.local-options button+button{border-top:1px solid var(--line)}.option-index{font-size:12px;letter-spacing:1px;color:var(--muted)}.local-options button>span:nth-child(2){flex:1}.local-options b{font-size:19px;font-weight:600}.local-options small,.install-row small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:5px}.install-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:25px 0}.install-row>span:nth-child(2){flex:1}.app-icon{background:var(--green);color:var(--paper);height:38px;width:38px;border-radius:11px;display:grid;place-items:center;font-size:22px;font-family:serif}footer{color:var(--muted);font-size:10px;line-height:1.8;text-align:center;padding-top:3px}footer a{display:block;color:var(--muted);margin-top:12px;text-underline-offset:3px}.game-top{font-size:13px;margin-bottom:12px}.game-title{font-family:inherit;font-size:30px;font-weight:650;line-height:1.35;letter-spacing:0;margin:0 0 7px}.subtitle{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 10px;min-height:24px}.room-strip{padding:8px 12px;background:var(--panel);border-radius:10px;font-size:13px;margin:12px 0}.room-strip b{font-size:19px;letter-spacing:3px;margin-left:6px}.room-strip .plain{padding:5px 0;font-size:12px}.score-row{font-size:13px;text-align:left;line-height:1.6;margin-bottom:8px}.players{font-size:13px;margin:6px 0 14px;gap:12px}.players span{max-width:49%;overflow-wrap:anywhere}.board-wrap{background:var(--board);border-radius:16px;margin:0 auto;max-width:430px;aspect-ratio:1}.board-wrap canvas{display:block;width:100%;height:100%;border-radius:16px;touch-action:pan-y}.connection{font-size:12px;text-align:center;color:var(--muted);line-height:1.6;min-height:20px;margin:15px 0}.connection.warning{color:#ae683d}.secondary-actions{display:flex;gap:10px;margin-top:10px}.secondary-actions button{flex:1;min-width:0;font-size:14px;padding-left:8px;padding-right:8px}.game-hint{margin-top:14px}.modal-layer{position:fixed;inset:0;z-index:20;background:#0006;display:flex;align-items:center;justify-content:center;padding:24px;padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom));overflow:auto}.modal{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:22px;padding:22px;max-width:420px;width:100%;max-height:calc(100dvh - 60px);overflow:auto;box-shadow:0 24px 90px #0003}.modal-heading{gap:16px;margin-bottom:12px}.modal h2{font-size:21px;line-height:1.4;margin:0}.icon-close{font-size:28px;line-height:1;min-width:30px;min-height:36px}.modal p,.modal li{font-size:14px;line-height:1.8;color:var(--muted)}.modal ul{padding-left:20px}.modal a{color:var(--green)}.modal label{display:block;font-size:14px;line-height:1.7;margin:18px 0 6px}.modal input[type=text],.modal select{width:100%;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:16px;min-height:48px}.modal input.code{font-size:24px;letter-spacing:7px;text-align:center}.modal .primary{margin-top:22px}.field-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:18px 0}.field-row label{margin:0}.field-row input[type=checkbox]{appearance:none;-webkit-appearance:none;width:44px;height:26px;border-radius:20px;background:var(--line);position:relative;flex-shrink:0;border:1px solid var(--muted)}.field-row input[type=checkbox]:before{content:"";height:18px;width:18px;position:absolute;left:3px;top:3px;border-radius:50%;background:var(--card);transition:transform .15s}.field-row input:checked{background:var(--button)}.field-row input:checked:before{transform:translateX(18px)}input[type=range]{width:100%;accent-color:var(--green);min-height:36px}.form-error{color:#b34a35!important;font-size:13px;min-height:0}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:30;padding:12px 18px;border-radius:12px;max-width:calc(100% - 40px);width:max-content;background:var(--ink);color:var(--paper);font-size:14px;line-height:1.6;box-shadow:0 5px 22px #0002}body.modal-open{overflow:hidden}[hidden]{display:none!important}
@media(min-width:760px){.app{padding-top:38px;max-width:530px}.hero{margin-top:36px}.topbar{margin-bottom:34px}body:before{content:"";position:fixed;left:calc(50% - 310px);top:0;bottom:0;border-left:1px solid var(--line)}body:after{content:"";position:fixed;right:calc(50% - 310px);top:0;bottom:0;border-left:1px solid var(--line)}}
@media(max-width:360px){.app{padding-left:18px;padding-right:18px}.topbar nav{gap:12px}.hero{gap:3px}h1{font-size:44px}.mini-board{width:96px;height:124px}.hero-copy{font-size:12px}.quiet{font-size:10px}.game-title{font-size:27px}.modal-layer{padding:16px}.modal{padding:18px}}
@media(max-height:760px){#game-screen .board-wrap{max-width:min(100%,360px)}#game-screen .subtitle{margin-bottom:6px}.topbar{margin-bottom:22px}.connection{margin:12px 0}}
.network-status{font-size:13px;font-weight:600;text-align:center;line-height:1.5;margin:12px 0 3px;color:var(--muted);font-variant-numeric:tabular-nums}.network-status:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;margin-right:7px;vertical-align:1px}.network-status[data-tone=good]{color:#226743}.network-status[data-tone=warn]{color:#916000}.network-status[data-tone=bad]{color:#b04433}.network-status:not([hidden])+.connection{margin-top:3px}body[data-theme=night] .network-status[data-tone=good]{color:#96d3b4}body[data-theme=night] .network-status[data-tone=warn]{color:#e0bc70}body[data-theme=night] .network-status[data-tone=bad]{color:#ffac99}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

#dimmer{position:fixed;inset:0;z-index:100;pointer-events:none;background:#000;opacity:var(--dim,0)}
.board-bubbles{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;height:94px;margin:0 0 10px}.board-bubble{min-width:0;height:94px;overflow:hidden}.chat-message{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 10px;overflow-wrap:anywhere}.chat-message.mine{align-items:flex-end}.chat-message small{font-size:10px;color:var(--muted);margin:0 0 4px;max-width:100%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;line-height:1.5}.chat-message p{max-width:100%;margin:0;background:var(--panel);color:var(--ink);padding:7px 10px;border-radius:3px 12px 12px 12px;font-size:13px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.chat-message.mine p{background:var(--button);color:#f5f8f2;border-radius:12px 3px 12px 12px}.board-bubble .chat-message p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;max-height:70px}.bubble-placeholder{color:var(--muted);font-size:11px;background:var(--panel);padding:10px;border-radius:12px;margin:16px 0 0;opacity:.7}.board-bubble.mine .bubble-placeholder{text-align:right}.chat-sticker{display:block;object-fit:contain;background:white;border-radius:10px;max-width:100%}.chat-inline{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}.chat-compose{display:flex;gap:8px}.chat-compose input{width:100%;min-width:0;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:12px;font-size:16px;padding:10px 12px;min-height:42px}.chat-compose .primary{width:62px;min-height:42px;padding:8px;flex-shrink:0;font-size:14px}.chat-tools{display:flex;align-items:center;justify-content:space-between;gap:5px;margin:6px 0}.chat-tools button{min-height:36px;padding:6px 8px;border-radius:9px;font-size:12px;background:transparent;color:var(--green);white-space:nowrap}.chat-tools button[aria-expanded=true]{background:var(--panel);font-weight:600}.chat-foot{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted);line-height:1.5}.chat-foot small{font-size:10px;white-space:nowrap}.chat-phrase-list{display:flex;flex-wrap:wrap;gap:6px;max-height:138px;overflow:auto;padding:3px 0 7px}.chat-phrase{font-size:12px;line-height:1.5;min-height:36px;padding:7px 10px;max-width:100%;overflow-wrap:anywhere;background:var(--panel);color:var(--green);border-radius:9px}.chat-sticker-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;padding:3px 0;max-height:205px;overflow:auto}.sticker-choice{display:flex;align-items:center;flex-direction:column;border-radius:10px;padding:5px 2px;background:var(--card);border:1px solid var(--line)}.sticker-choice img{max-width:100%;height:52px;object-fit:contain;background:white;border-radius:6px}.sticker-choice span{font-size:10px;color:var(--muted);padding-top:4px;line-height:1.5}.chat-source{font-size:10px;color:var(--muted);margin:5px 0 8px;text-align:center}.chat-source a{color:var(--green)}.chat-log{max-height:180px;overflow-y:auto;overscroll-behavior:contain;padding:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;margin:8px 0}.chat-log .chat-message{margin-bottom:14px}.chat-log .chat-message p{max-width:88%}.chat-empty{text-align:center;font-size:12px;color:var(--muted)}.chat-inline #chat-editor{margin:8px 0}.chat-inline #chat-editor label{font-size:12px;color:var(--muted)}.chat-inline textarea{display:block;width:100%;font:inherit;font-size:14px;margin-top:6px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:10px;resize:vertical}.chat-inline #chat-editor .soft{min-height:38px;padding:7px}.chat-failed{font-size:12px;color:var(--ink);background:var(--panel);border-radius:10px;padding:8px;margin-bottom:8px}.chat-failed p{margin:0 0 5px;overflow-wrap:anywhere;line-height:1.5}.chat-failed button{background:var(--card);color:var(--green);border-radius:6px;margin-right:8px;padding:7px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.online-game .topbar{margin-bottom:14px}.online-game .game-top{margin-bottom:6px}.online-game .game-title{font-size:25px}.online-game .subtitle{font-size:12px;margin-bottom:4px}.online-game .room-strip{margin:6px 0;padding:5px 10px}.online-game .score-row{margin-bottom:3px}.online-game .players{margin:4px 0 7px}.online-game .network-status{margin-top:8px}.online-game .connection{margin-bottom:8px}.online-game .game-hint{display:none}.online-game .secondary-actions{margin-top:7px}.online-game #game-actions .primary{min-height:44px;padding:10px}.online-game #game-actions .soft{min-height:38px;padding:8px}
@media(max-width:360px){.chat-tools{gap:1px}.chat-tools button{font-size:11px;padding:6px}.chat-compose .primary{width:54px}.board-bubbles{gap:7px}.online-game .game-title{font-size:23px}}