:root{color-scheme:dark;--bg:#08161e;--fg:#edf0e3;--muted:#99b5b7;--mint:#b4e5d4;--gold:#f0cd8e;--line:#c2e1dd25;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--fg);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,a{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;color:inherit;border:1px solid var(--line);background:#b4e5d408;padding:10px 16px;border-radius:4px;cursor:pointer}button:disabled{opacity:.45;cursor:wait}a{color:inherit;text-decoration:none}button:hover,a:hover{color:#d3f7e9}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:5px}[hidden]{display:none!important}h1,h2,p{margin:0}h1,h2{font-family:"Songti SC","STSong",Georgia,serif;font-weight:400}.topbar{height:76px;border-bottom:1px solid var(--line);padding:0 clamp(20px,5vw,80px);display:flex;align-items:center;justify-content:space-between;gap:15px}.brand{font-family:Georgia,serif;font-size:23px;letter-spacing:1px}.brand span{font:12px -apple-system,sans-serif;color:var(--muted);padding-left:14px;margin-left:12px;border-left:1px solid var(--line)}.top-actions{display:flex;align-items:center;gap:25px;font-size:13px;color:var(--muted)}.top-actions button{border:0;padding:10px 0;background:none}.setup,.result{max-width:1000px;margin:auto;padding:clamp(50px,8vh,95px) 30px 70px}.setup{background:radial-gradient(ellipse at 95% 35%,#23413d70,transparent 60%)}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--gold);margin-bottom:20px}.setup h1{font-size:clamp(36px,4.5vw,60px);line-height:1.45;letter-spacing:2px}.intro-copy{color:var(--muted);line-height:1.9;margin-top:20px;font-size:16px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:28px 0;margin:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.steps li{display:grid;gap:9px}.steps b{color:var(--gold);font:13px Georgia,serif}.steps strong{font-family:"Songti SC",serif;font-size:24px;font-weight:400}.steps span{font-size:12px;color:var(--muted);line-height:1.7}.start-options,.result-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.primary{background:var(--mint);color:#0b2527;border-color:var(--mint);padding:15px 24px}.primary:hover{background:#d3f3e7;color:#0b2527}.primary span{padding-left:25px}.secondary{padding:15px 22px;border-color:#b3d8cb80}.text-button{background:none;border-color:transparent;color:var(--muted)}.status{min-height:25px;color:var(--mint);font-size:13px;margin:22px 0 10px;line-height:1.8}.fine{font-size:12px;line-height:1.9;color:var(--muted);max-width:670px}.playing{overflow:hidden}.playing .topbar{display:none}.play{height:100dvh;min-height:420px;display:flex;flex-direction:column;position:relative;overflow:hidden}.game-header{display:flex;align-items:center;justify-content:space-between;min-height:74px;padding:10px clamp(15px,4vw,50px);gap:15px;border-bottom:1px solid var(--line)}.game-header>div{text-align:center}.game-header p{font-size:10px;letter-spacing:2px;color:var(--gold);margin-bottom:3px}.game-header h1{font-size:20px}.game-header button{font-size:12px;padding:10px 12px}.timeline{padding:0 clamp(20px,4vw,55px);background:#091e25}.timeline progress{display:block;width:100%;height:3px;appearance:none;border:0;background:#ffffff12}.timeline progress::-webkit-progress-bar{background:#ffffff12}.timeline progress::-webkit-progress-value{background:var(--mint)}.timeline progress::-moz-progress-bar{background:var(--mint)}.timeline>div{display:flex;justify-content:space-between;padding:7px 0;color:#7e9eaa;font-size:9px;letter-spacing:1px}.stage{flex:1;min-height:180px;position:relative;isolation:isolate;overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:none}.hud{position:absolute;top:18px;left:clamp(20px,5vw,70px);right:clamp(20px,5vw,70px);display:flex;justify-content:space-between;gap:20px;pointer-events:none}.hud>div:nth-child(2){text-align:center}.hud>div:last-child{text-align:right}.hud small{display:block;font-size:10px;letter-spacing:1px;color:var(--muted);margin-bottom:6px}.hud strong{font-family:Georgia,serif;font-weight:400;font-size:22px;letter-spacing:1px}.stability strong{color:var(--mint)}.stage-copy{position:absolute;top:20%;left:10%;right:10%;text-align:center;pointer-events:none}.stage-copy p:first-child{font-size:11px;color:var(--gold);letter-spacing:2px;margin-bottom:10px}.stage-copy strong{font-family:"Songti SC",serif;font-weight:400;font-size:clamp(19px,2.6vw,30px);line-height:1.6}.stage-copy p:last-child{font-size:12px;color:var(--muted);margin-top:8px}.judgement{position:absolute;left:10%;right:10%;bottom:12px;text-align:center;font-size:13px;color:var(--gold);min-height:20px;pointer-events:none}.control-deck{border-top:1px solid var(--line);padding:12px clamp(20px,5vw,70px) max(12px,env(safe-area-inset-bottom));background:#0b1e27}.control-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--muted)}.control-heading button{font-size:11px;padding:7px 10px}.control-heading #extend{color:var(--gold);border-color:#f0cd8e70}.drag-zone{padding:5px 0 0;touch-action:none}.drag-zone input{appearance:none;width:100%;height:38px;margin:0;background:transparent;touch-action:none;cursor:ew-resize}.drag-zone input::-webkit-slider-runnable-track{height:4px;background:linear-gradient(90deg,#274950,#719992 48%,#b4e5d4 50%,#719992 52%,#274950);border-radius:8px}.drag-zone input::-webkit-slider-thumb{appearance:none;background:var(--mint);width:25px;height:25px;border-radius:50%;margin-top:-10px;box-shadow:0 0 20px #b4e5d450;border:4px solid #0d2c32}.drag-zone input::-moz-range-track{height:4px;background:#567d7b}.drag-zone input::-moz-range-thumb{width:22px;height:22px;border:3px solid #0d2c32;border-radius:50%;background:var(--mint)}.drag-zone>div{display:flex;justify-content:space-between;color:#90afb1;font-size:10px}.control-deck>p{font-size:11px;color:var(--muted);margin-top:9px;line-height:1.6;text-align:center}.cover{position:absolute;inset:0;z-index:10;background:#07171fe8;backdrop-filter:blur(12px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px;gap:22px}.cover h2{font-size:30px}.cover p:not(.eyebrow){font-size:14px;color:var(--muted);max-width:500px;line-height:1.9}.result h1{font-size:clamp(32px,4vw,50px);margin-bottom:20px}.result>p:not(.eyebrow){color:var(--muted);line-height:1.9}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);padding:28px 0;margin:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:15px}.result-grid dt{font-size:12px;color:var(--muted)}.result-grid dd{margin:16px 0 0;font-family:Georgia,serif;font-size:38px;color:var(--mint)}.result .learning-note{color:var(--gold)!important;margin-bottom:12px}.result-actions{margin:30px 0 15px}.result-actions a{font-size:13px;margin-left:8px}dialog{max-width:460px;width:calc(100% - 40px);background:#0d222b;color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:25px}dialog::backdrop{background:#010a10bb;backdrop-filter:blur(7px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.dialog-head button{font-size:22px;border:0}.dialog-head h2{font-size:26px}dialog label{font-size:14px}dialog>input{display:block;width:100%;margin:20px 0 28px;accent-color:var(--mint)}.checkbox{display:flex;align-items:center;gap:15px}.checkbox input{accent-color:var(--mint)}dialog>p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:25px}.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);max-width:90vw;padding:13px 20px;border:1px solid var(--line);border-radius:6px;background:#152f36;z-index:100;font-size:13px;line-height:1.7}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:650px){.brand{font-size:19px}.brand span{display:none}.topbar{height:64px}.top-actions{gap:18px;font-size:12px}.setup,.result{padding:45px 25px 40px}.setup h1{font-size:35px}.steps{gap:13px}.steps strong{font-size:20px}.steps span{font-size:11px}.start-options{gap:10px}.primary,.secondary{font-size:13px;padding:13px 18px}.start-options .text-button{padding-left:0}.intro-copy{font-size:14px}.game-header{min-height:67px}.game-header h1{font-size:18px}.stage-copy{top:22%;left:5%;right:5%}.hud{top:14px}.hud strong{font-size:20px}.hud small{font-size:9px}.result-grid dd{font-size:31px}.result-grid dt{font-size:11px}.result-actions{gap:12px}.result-actions a{margin:10px 0}.cover h2{font-size:25px}.cover p:not(.eyebrow){font-size:12px}}
@media(max-height:520px) and (orientation:landscape){.play{min-height:300px}.game-header{min-height:44px;padding:4px 20px}.game-header h1{font-size:16px}.game-header p{display:none}.game-header button{padding:5px 12px}.timeline>div{padding:3px 0;font-size:8px}.hud{top:8px;left:25px;right:25px}.hud small{font-size:8px;margin-bottom:3px}.hud strong{font-size:17px}.stage-copy{top:7%;left:28%;right:28%}.stage-copy strong{font-size:15px}.stage-copy p:first-child{font-size:9px;margin-bottom:3px}.stage-copy p:last-child{font-size:10px;margin-top:3px}.control-deck{padding:5px 30px}.control-heading{font-size:10px}.control-heading button{padding:3px 8px}.drag-zone input{height:26px}.drag-zone>div{display:none}.control-deck>p{font-size:9px;margin-top:1px}.judgement{font-size:10px;bottom:5px}.stage{min-height:130px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.play-actions{display:flex;gap:5px;align-items:center}dialog select{display:block;width:100%;margin:12px 0 22px;padding:10px;background:#102e37;color:var(--fg);border:1px solid var(--line);font:inherit;border-radius:4px}dialog .checkbox{margin:15px 0}#sound-preview{margin-top:12px}#preview-status{margin:12px 0 24px;font-size:12px}dialog{max-height:90dvh;overflow:auto}