:root{color-scheme:dark;--bg: #101214;--surface: #202326;--ink: #f3efe5;--muted: #a1a5a4;--accent: #f2513e;--green: #b8e581;--gold: #ffd568;font-family:Kreadon,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}h1,h2,p{margin:0}button,input{font:inherit}button{border:0;border-radius:0;color:inherit;cursor:pointer;background:none;min-height:44px;transition:background .15s,translate .15s}button:hover{background-color:#ffffff0c}button:active{translate:0 1px}button:disabled{opacity:.45;cursor:wait}button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:4px}.ui-icon{width:24px;height:24px;flex-shrink:0;display:block}.icon-button{width:44px;display:grid;place-items:center}.primary,.secondary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;padding:14px 24px;text-align:left}button.primary{background:var(--accent);color:#101214;font-size:18px;font-weight:700}button.primary:hover{background:#ff735c}.primary .ui-icon{width:26px;height:26px}.secondary{background:#292d30;color:var(--ink);font-size:14px}.secondary:hover{background:#373b3e}.quiet{color:var(--muted);padding:10px;min-height:44px}.micro{font-size:10px;letter-spacing:1px;color:var(--muted)}.brand{font-size:21px;font-weight:700;letter-spacing:1px}.brand>span{color:var(--accent);font-size:10px;margin-left:9px;vertical-align:top}.header-right{display:flex;align-items:center;gap:8px}.shell{max-width:1000px;margin:auto;padding:32px 5vw}.sub{font-size:12px;color:var(--muted);line-height:1.6}.error{font-size:12px;color:#ff937c;line-height:1.6;margin-top:8px}.error:empty{display:none}.best{display:flex;justify-content:space-between;align-items:center;gap:12px}.best strong{font-size:30px;font-variant-numeric:tabular-nums}.best .sub{font-size:10px;margin-top:6px}.input-note{font-size:10px;color:var(--muted)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#050709d9;display:grid;place-items:center;padding:20px;z-index:20}.dialog{width:min(100%,520px);max-height:calc(100dvh - 40px);overflow:auto;background:#202326;border-top:3px solid var(--accent);padding:30px;position:relative;box-shadow:0 20px 80px #0006}.dialog-kicker{font-size:10px;color:var(--muted);letter-spacing:1px}.dialog h1{font-size:32px;font-weight:600;margin-top:12px}.dialog>p{font-size:12px;color:var(--muted);line-height:1.8;margin-top:16px}.dialog>.primary{width:100%;margin-top:24px}.dialog>.secondary{width:100%;margin-top:10px}.dialog>.quiet{width:100%;margin-top:8px}.dialog>#closeHelp,.dialog>#closeSettings{position:absolute;right:12px;top:9px;width:44px;margin:0;display:grid;place-items:center}.setting{padding:20px 0 12px}.setting label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}.setting label span{font-size:12px;color:var(--gold)}.setting small{font-size:11px;line-height:1.7;color:var(--muted);display:block}.setting input[type=range]{width:100%;margin:12px 0;accent-color:var(--accent);min-height:32px}.sound-test{width:100%;margin-top:6px}.instructions{display:grid;grid-template-columns:1fr 1fr;gap:24px 18px;margin-top:26px}.instruction b{font-size:13px;display:flex;align-items:center;gap:8px}.instruction b small{font-size:10px;color:var(--muted);font-weight:400}.note-icon{width:40px;height:40px;flex-shrink:0}.instruction p{font-size:11px;color:var(--muted);line-height:1.8;margin-top:6px}.loading{height:100dvh;display:grid;place-content:center;gap:20px;text-align:center}.loading h1{font-size:24px}.loading p{font-size:11px;color:var(--muted)}#game{height:100dvh;min-height:300px;position:relative;overflow:hidden;touch-action:none;background:var(--bg)}#canvas{width:100%;height:100%;display:block}.progress{position:absolute;top:0;left:0;height:2px;background:var(--ink);pointer-events:none}.hud{position:absolute;top:max(20px,env(safe-area-inset-top));left:5vw;right:5vw;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.pause-button{pointer-events:auto;width:48px;height:48px;display:grid;place-items:center;background:transparent;color:var(--ink)}.hud-score{font-size:30px;font-weight:600;letter-spacing:1px;font-variant-numeric:tabular-nums}.feedback{position:absolute;left:50%;top:40.5%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;pointer-events:none;min-width:190px}.feedback strong{font-size:9px;height:20px;letter-spacing:.5px;color:var(--gold)}.feedback>span{font-size:58px;font-weight:600;line-height:1.1;min-height:64px}.feedback>span:not(:empty):after{content:"COMBO";display:block;text-align:center;font-size:8px;line-height:2.4;letter-spacing:2px;color:var(--muted)}.feedback small{height:14px;font-size:9px;color:var(--muted)}.feedback[data-result=bad] strong,.feedback[data-result=miss] strong{color:#ff7963}.feedback[data-result=perfect] strong{color:var(--ink)}.feedback.feedback-hit{animation:judge .2s ease-out}.phase{position:absolute;top:72%;left:8vw;right:8vw;text-align:center;pointer-events:none}.phase strong{font-size:12px;color:var(--gold);font-weight:600}.phase small{display:block;font-size:11px;color:var(--muted);line-height:1.7;margin-top:8px}.game-track{position:absolute;left:6vw;right:6vw;bottom:max(25px,env(safe-area-inset-bottom));display:flex;align-items:center;gap:14px;pointer-events:none}.game-difficulty{font-size:10px;background:var(--green);color:#15210e;padding:6px 8px}.game-difficulty b{font-size:18px;margin-left:5px}.game-track>div>b{font-size:18px;letter-spacing:1px}.game-track>div>span{font-size:10px;color:var(--muted);margin-left:9px}.game-track>small{font-size:8px;color:var(--muted);margin-left:auto}.countdown{display:none;position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.countdown small{font-size:12px}.game-enter{animation:game-enter .25s ease-out}.game-resume{animation:game-resume .35s ease-out}.game-exit{animation:game-exit .18s ease-in both}@keyframes judge{0%{opacity:.5;scale:.96}to{opacity:1;scale:1}}@keyframes game-enter{0%{opacity:0}to{opacity:1}}@keyframes game-resume{0%{filter:brightness(.7)}to{filter:brightness(1)}}@keyframes game-exit{to{opacity:0}}.result-screen{height:calc(100dvh - 72px);padding:4vh 7vw 24px;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);grid-template-rows:minmax(0,1fr) auto;align-items:center;column-gap:6vw;row-gap:20px;max-width:1400px;margin:auto}.result-art{width:min(100%,370px);position:relative;justify-self:center;rotate:-4deg;box-shadow:12px 14px #25292b}.result-art>svg{width:100%;display:block}.result-chart{position:absolute;bottom:-13px;right:-12px;background:var(--green);color:#17210f;padding:8px 14px;font-size:12px}.result-chart b{font-size:22px;margin-left:12px}.result-body{min-width:0}.result-track{display:flex;justify-content:space-between;align-items:center}.result-track h1{font-size:30px;line-height:1.2}.result-track h1 small{font-size:13px;color:var(--muted);font-weight:400;margin-left:10px}.result-track>span{font-size:12px;color:var(--green)}.badge{display:flex;align-items:center;gap:16px;justify-content:space-between;font-size:13px;color:var(--gold);margin-top:28px;font-weight:600}.badge span{font-size:9px;color:var(--accent)}.result-score{font-size:clamp(46px,6.7vw,94px);font-weight:600;letter-spacing:-3px;line-height:1.35;font-variant-numeric:tabular-nums}.result-metrics{display:flex;justify-content:space-between;gap:14px;margin-top:14px}.result-metrics span{display:block;color:var(--muted);font-size:10px}.result-metrics strong{display:block;font-size:23px;font-weight:400;margin-top:7px}.result-metrics strong small{font-size:12px}.result-judgments{display:grid;grid-template-columns:1.4fr 1fr 1fr .7fr .7fr;gap:8px;margin-top:28px}.stat{display:flex;flex-direction:column;justify-content:space-between;gap:8px;color:var(--muted)}.stat span{font-size:8px;line-height:1.4;min-height:24px}.stat b{font-size:23px;font-weight:400;color:var(--ink)}.stat:first-child{color:var(--gold)}.save-status{margin-top:22px;color:var(--muted);font-size:10px;min-height:14px}.practice-note{color:var(--muted);font-size:10px;margin-top:4px}.result-actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:12px}.result-actions .primary{min-width:220px}.result-actions .secondary{min-width:120px}@media(max-width:700px){.brand{font-size:18px}.hud-score{font-size:25px}.dialog{padding:24px}.dialog h1{font-size:28px}.instructions{gap:20px 12px}.instruction b{gap:4px;font-size:12px}.note-icon{width:32px;height:36px}.instruction b small{font-size:9px}.feedback>span{font-size:50px;min-height:56px}.result-screen{height:calc(100dvh - 64px);padding:18px 7vw;grid-template-columns:1fr;grid-template-rows:minmax(100px,1fr) auto auto;gap:20px}.result-art{width:130px;box-shadow:7px 8px #25292b}.result-chart{padding:4px 8px;font-size:9px;bottom:-8px;right:-10px}.result-chart b{font-size:16px;margin-left:6px}.result-score{font-size:clamp(45px,13vw,70px);letter-spacing:-2px}.result-track h1{font-size:24px}.result-track h1 small{font-size:12px}.badge{margin-top:18px;font-size:12px}.result-metrics{margin-top:8px}.result-metrics strong{font-size:21px}.result-judgments{margin-top:20px}.save-status{margin-top:14px}.result-actions{grid-column:auto}.result-actions .primary{min-width:0;flex:1}.result-actions .secondary{min-width:95px;padding-inline:14px}.result-actions button{min-height:52px;font-size:15px}}@media(max-width:700px)and (max-height:650px){.result-screen{grid-template-rows:auto auto;gap:12px;align-content:center}.result-art{display:none}.result-score{font-size:50px}.result-judgments{margin-top:14px}.badge{margin-top:10px}.result-metrics strong{font-size:18px}.result-actions button{min-height:46px}.game-track{bottom:18px}.phase{top:74%}.phase small{font-size:10px}.hud{top:12px}}@media(orientation:landscape){.feedback{top:51%}.phase{top:auto;bottom:30px;left:auto;right:4vw;width:23vw;text-align:right}.phase strong,.phase small{font-size:10px}.game-track{left:4vw;right:auto;bottom:30px;max-width:30vw}.game-track>small{display:none}}@media(orientation:landscape)and (max-height:550px){.hud{top:10px}.hud-score{font-size:23px}.feedback>span{font-size:38px;min-height:44px}.feedback strong{font-size:8px}.result-screen{height:calc(100dvh - 52px);padding:14px 6vw;column-gap:6vw;row-gap:8px}.result-art{width:170px}.result-track h1{font-size:23px}.badge{margin-top:8px;font-size:11px}.result-score{font-size:48px;line-height:1.2}.result-metrics{margin-top:7px}.result-metrics strong{font-size:18px;margin-top:3px}.result-judgments{margin-top:10px}.stat b{font-size:18px}.stat span{font-size:7px;min-height:18px}.stat{gap:3px}.save-status{margin-top:9px}.result-actions button{min-height:44px;padding-block:8px;font-size:14px}.result-actions .primary{min-width:190px}.game-track>div>b{font-size:16px}.game-track{gap:8px}}html{overscroll-behavior:none;-webkit-text-size-adjust:100%}body{overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}button,svg,img,canvas{-webkit-touch-callout:none;-webkit-user-drag:none}button{touch-action:manipulation}#game{touch-action:none;overscroll-behavior:none;-webkit-touch-callout:none}.dialog,.profile-page{touch-action:pan-y;overscroll-behavior:contain}input[type=range]{touch-action:pan-x}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}.phase.guided{top:auto;bottom:110px;left:max(20px,8vw);right:max(20px,8vw);padding:18px 20px;border-left:4px solid var(--green);background:#202526;text-align:left}.phase.guided strong{display:block;font-size:24px;line-height:1.3;color:#f3efe5}.phase.guided small{font-size:17px;color:#eeeade;line-height:1.65;margin-top:8px}#lessonStep{display:block;font-size:12px;color:var(--green);margin-bottom:10px;letter-spacing:2px}#lessonIcon{float:right;margin:0 0 8px 12px}#lessonIcon .note-icon{width:42px;height:42px}.phase:not(.guided){display:none}.help-dialog .help-lead{font-size:19px;color:#f3efe5;line-height:1.7}.help-dialog .instruction p{font-size:15px;line-height:1.8}@media(max-width:360px){.phase.guided{left:16px;right:16px;bottom:92px;padding:12px 14px}.phase.guided strong{font-size:21px}.phase.guided small{font-size:15px}}@media(orientation:landscape){.phase.guided{left:auto;right:3vw;top:50%;bottom:auto;width:25vw;transform:translateY(-50%);padding:14px}.phase.guided strong{font-size:22px}.phase.guided small{font-size:16px}#lessonIcon{float:none;display:block;margin:0 0 8px}}@media(orientation:portrait)and (max-height:700px){.phase.guided{left:16px;right:16px;bottom:76px;padding:12px 14px}.phase.guided strong{font-size:21px}.phase.guided small{font-size:15px}.guided-game .feedback{top:37.5%}}@media(prefers-reduced-motion:no-preference){.cue-enter{animation:scene-in .25s ease-out}}.game-menu-header{height:calc(72px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 5vw 0;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:2;background:var(--bg)}.header-left{display:flex;align-items:center}.menu-caption{font-size:10px;color:var(--muted);letter-spacing:1px}.back-button{display:flex;align-items:center;gap:10px;font-size:13px;padding-left:0;color:var(--ink)}.profile-button{background:transparent;padding:10px}.chapter-home,.chapter-tracks{--header-height: calc(72px + env(safe-area-inset-top)) ;height:calc(100dvh - var(--header-height));position:relative;isolation:isolate}.chapter-home{display:grid;grid-template-rows:minmax(0,1fr) 28px 76px}.chapter-rail{--chapter-width: min(80vw, 1120px);position:relative;display:flex;gap:clamp(14px,2vw,28px);min-height:0;padding-inline:calc((100% - var(--chapter-width)) / 2);overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain;touch-action:pan-x}.chapter-rail::-webkit-scrollbar{display:none}.chapter-card{position:relative;flex:0 0 var(--chapter-width);scroll-snap-align:center;scroll-snap-stop:always;min-width:0;min-height:0;padding:0;overflow:hidden;text-align:left;background:#151719;opacity:.65;transition:opacity .2s ease}.chapter-card.is-current{opacity:1}.chapter-card:hover{background:#151719}.chapter-art{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.chapter-art svg{width:100%;height:100%;display:block}.chapter-art:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#101214d9;clip-path:polygon(0 0,27% 0,48% 100%,0 100%)}.chapter-info{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;justify-content:flex-end;padding:40px 7vw 48px}.chapter-number{position:absolute;top:36px;left:7vw;font-size:28px;font-weight:600;color:var(--accent)}.chapter-kicker{font-size:11px;color:var(--muted);letter-spacing:2px;margin-bottom:16px}.chapter-info h1{font-size:clamp(60px,7vw,100px);font-weight:600;line-height:1.1;letter-spacing:2px}.chapter-info h1 span{display:block;font-size:19px;letter-spacing:5px;margin-top:18px;font-weight:400}.chapter-bottom{display:flex;align-items:center;gap:40px;margin-top:38px}.chapter-bottom>span{font-size:11px;color:var(--muted)}.chapter-bottom>b{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:600;color:var(--ink);padding:10px 0;border-bottom:2px solid var(--accent)}.chapter-bottom .ui-icon{color:var(--accent)}.chapter-position{display:grid;grid-template-columns:44px 180px 44px;justify-content:center;align-items:center;gap:8px}.chapter-arrow{display:grid;place-items:center;width:44px;height:44px;padding:10px;background:transparent;color:var(--ink)}.chapter-arrow:disabled{opacity:.22;cursor:default}.chapter-next .ui-icon{rotate:180deg}.chapter-pagination{position:relative;height:60px;display:flex;justify-content:center}.chapter-pagination button{display:grid;place-items:center;width:44px;height:44px;padding:0;background:transparent}.chapter-pagination button span{width:20px;height:2px;background:#484d4a}.chapter-pagination button[aria-pressed=true] span{background:var(--chapter-accent, var(--accent))}#chapterStatus{position:absolute;bottom:2px;left:0;right:0;margin:0;text-align:center;font-size:10px;line-height:12px;color:var(--muted)}.global-nav{display:flex;align-items:center;justify-content:center;gap:7vw;padding-bottom:env(safe-area-inset-bottom)}.global-nav button{display:flex;align-items:center;gap:10px;min-width:94px;min-height:48px;padding:10px 16px;font-size:12px;color:var(--muted)}.global-nav button .ui-icon{color:var(--ink);width:21px;height:21px}.chapter-tracks{padding:24px 7vw 30px;overflow:hidden}.chapter-tracks:before{content:"";position:absolute;z-index:-1;top:0;right:0;bottom:0;left:0;background:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201440%201000'%20preserveAspectRatio='xMidYMid%20slice'%20%3e%3crect%20width='1440'%20height='1000'%20fill='%23151719'%20/%3e%3cg%20transform='translate(940%20430)%20rotate(-28)'%3e%3ccircle%20r='435'%20fill='%23202325'%20/%3e%3ccircle%20r='346'%20fill='none'%20stroke='%23dbd8cc'%20stroke-width='66'%20/%3e%3ccircle%20r='238'%20fill='none'%20stroke='%2345494a'%20stroke-width='64'%20/%3e%3ccircle%20r='126'%20fill='%23f2513e'%20/%3e%3cpath%20d='M-505-80H505V-19H-505Z'%20fill='%23151719'%20/%3e%3cpath%20d='M-505%208H505V25H-505Z'%20fill='%23151719'%20/%3e%3cpath%20d='M-470%2085H470V96H-470Z'%20fill='%23151719'%20/%3e%3cpath%20d='M-47-510H47V-280H-47Z'%20fill='%23f2513e'%20/%3e%3cpath%20d='M-24-510H24V-280H-24Z'%20fill='%23ff7963'%20/%3e%3ccircle%20r='26'%20fill='%23151719'%20/%3e%3cpath%20d='M290%20270%20430%20270%20430%20410Z'%20fill='%23f2513e'%20/%3e%3c/g%3e%3cpath%20d='M0%20836%20520%20836%20356%201000H0Z'%20fill='%23f2513e'%20/%3e%3cpath%20d='M0%20864%20430%20864'%20stroke='%23151719'%20stroke-width='8'%20/%3e%3cpath%20d='M1240%200H1440V200Z'%20fill='%23f2513e'%20/%3e%3c/svg%3e") center/cover;opacity:.07;pointer-events:none}.track-browser{height:100%;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:7vw;align-items:center}.song-map{position:relative;height:100%;min-height:0;display:grid;place-items:center;container-type:size}.track-orbit{position:absolute;width:min(100cqw,100cqh);aspect-ratio:1;border:1px solid #383b3c;border-radius:50%;opacity:.65}.song-node{position:relative;width:min(78cqw,78cqh,450px);aspect-ratio:1;padding:0;rotate:-5deg;z-index:1;background:transparent}.song-node:hover{background:none}.node-art{display:block;box-shadow:14px 16px #262a2d}.node-art svg{width:100%;height:100%;display:block}.selection-ring{position:absolute;top:-11px;right:-11px;bottom:-11px;left:-11px;pointer-events:none}.selection-ring:before,.selection-ring:after{content:"";position:absolute;width:25px;height:25px;border-color:var(--ink);border-style:solid}.selection-ring:before{top:0;left:0;border-width:2px 0 0 2px}.selection-ring:after{right:0;bottom:0;border-width:0 2px 2px 0}.track-count{position:absolute;bottom:14px;left:50%;translate:-50% 0;font-size:13px}.track-count i{font-style:normal;color:var(--muted);font-size:10px;margin-left:5px}.song-dock{width:100%;max-width:520px;min-width:0}.dock-title{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.track-chapter{font-size:11px;color:var(--muted);margin-bottom:18px}.dock-title h1{font-size:clamp(58px,6vw,88px);font-weight:600;line-height:1;letter-spacing:-3px}.track-subtitle{font-size:18px;margin-top:12px}.song-duration{font-size:24px;text-align:right}.song-duration small{display:block;font-size:9px;color:var(--muted);margin-top:8px}.difficulty-row{display:flex;align-items:center;gap:16px;margin-top:32px}.difficulty-row>span{font-size:11px;color:var(--muted)}.dock-difficulty{display:flex;align-items:center;justify-content:space-between;gap:38px;background:var(--green);color:#1b2810;padding:10px 16px;min-width:170px}.dock-difficulty strong{font-size:14px}.dock-difficulty b{font-size:30px;font-weight:400;line-height:1}.song-dock .best{padding:26px 0}.song-dock .best strong{font-size:30px;font-weight:400}.dock-controls{display:flex;align-items:stretch;gap:12px}.dock-controls .primary{flex:1;font-size:20px;min-height:64px}.input-button{display:grid;grid-template-columns:20px auto;align-content:center;column-gap:10px;row-gap:3px;padding:12px 16px;min-width:112px}.input-button .ui-icon{width:20px;height:20px;grid-row:1/3;align-self:center}.input-button>span{font-size:12px}.input-button>small{font-size:9px;color:var(--muted)}.song-dock .input-note{text-align:right;margin-top:12px;font-size:10px}.song-dock .error{max-height:50px;overflow:auto}.profile-page{touch-action:pan-y;max-width:850px;padding-bottom:max(30px,env(safe-area-inset-bottom))}.profile-title{display:flex;align-items:center;gap:22px;margin:30px 0 35px}.profile-title h1{font-size:30px;letter-spacing:1px}.profile-title p{font-size:11px;color:var(--muted);margin-top:12px;line-height:1.8}.profile-emblem{display:grid;place-items:center;width:72px;height:72px;background:#292d30;color:var(--green);font-size:30px;font-weight:600}.profile-overview{display:grid;grid-template-columns:1fr 1fr;padding:24px 0;border-block:1px solid #373b3e;gap:20px}.profile-overview strong{display:block;font-size:28px;font-variant-numeric:tabular-nums;margin-top:14px}.history-heading{display:flex;justify-content:space-between;align-items:center;margin:32px 0 18px}.history-heading h2{font-size:14px}.play-history{list-style:none;padding:0;margin:0}.play-history li{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid #303437;gap:16px}.play-history b{font-size:14px;letter-spacing:1px}.play-history b small{font-size:10px;color:var(--muted);font-weight:400;margin-left:6px}.play-history li>div:last-child{text-align:right}.play-history strong{font-size:20px;color:var(--green);font-variant-numeric:tabular-nums}.play-history span,.play-history time{display:block;font-size:9px;color:var(--muted);margin-top:8px}.empty-history{text-align:center;padding:35px 15px}.empty-history>span{font-size:42px;color:#a1a5a4}.empty-history h2{font-size:17px;margin-top:14px}.empty-history p,.profile-note{font-size:11px;color:var(--muted);line-height:1.9;margin-top:14px}.empty-history button{margin-top:24px;font-size:12px}.profile-note{margin:30px 0}@media(max-width:700px){.game-menu-header{height:calc(64px + env(safe-area-inset-top));padding-inline:6vw}.header-right{gap:0}.chapter-home,.chapter-tracks{--header-height: calc(64px + env(safe-area-inset-top)) }.menu-caption{font-size:8px}.chapter-home{grid-template-rows:minmax(0,1fr) 26px 72px}.chapter-art svg{width:180%;margin-left:-58%}.chapter-art:after{clip-path:polygon(0 30%,17% 30%,80% 100%,0 100%);background:#101214c9}.chapter-info{padding:24px 8vw 32px}.chapter-number{top:24px;left:8vw;font-size:23px}.chapter-info h1{font-size:68px}.chapter-info h1 span{font-size:16px;margin-top:14px}.chapter-kicker{font-size:9px}.chapter-bottom{margin-top:24px;gap:28px;justify-content:space-between}.chapter-bottom>b{font-size:12px;gap:16px}.chapter-bottom>span{font-size:10px}.global-nav{gap:6vw}.global-nav button{min-width:70px;padding:10px 8px;gap:8px;font-size:11px}.global-nav button .ui-icon{width:20px;height:20px}.chapter-tracks{padding:8px 7vw 20px}.track-browser{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto;gap:18px}.song-node{width:min(71cqw,74cqh,280px)}.song-map{min-height:95px}.track-count{bottom:-4px;font-size:10px}.track-orbit{width:min(96cqw,100cqh)}.song-dock{max-width:none}.dock-title h1{font-size:52px;letter-spacing:-2px}.track-chapter{font-size:9px;margin-bottom:9px}.track-subtitle{font-size:14px;margin-top:8px}.song-duration{font-size:20px}.song-duration small{font-size:8px}.difficulty-row{margin-top:18px;gap:14px}.dock-difficulty{min-width:140px;padding:8px 13px}.dock-difficulty strong{font-size:12px}.dock-difficulty b{font-size:27px}.song-dock .best{padding:18px 0}.song-dock .best strong{font-size:27px}.song-dock .best .micro,.song-dock .best .sub{font-size:9px}.dock-controls .primary{min-height:58px;font-size:18px}.input-button{min-width:108px;padding:10px 13px}.song-dock .input-note{font-size:9px;margin-top:9px}.profile-page{padding-top:22px}.profile-overview strong{font-size:23px}.profile-title h1{font-size:25px}.profile-emblem{width:58px;height:58px;flex-shrink:0}.profile-overview .micro{font-size:9px}}@media(max-width:700px)and (max-height:650px){.chapter-home{grid-template-rows:minmax(0,1fr) 20px 62px}.chapter-info h1{font-size:55px}.chapter-info{padding-bottom:22px}.chapter-info h1 span{margin-top:8px;font-size:14px}.chapter-kicker{margin-bottom:10px}.chapter-bottom{margin-top:16px}.chapter-tracks{padding-top:4px;padding-bottom:12px}.track-browser{gap:10px}.song-map{min-height:65px}.song-node{width:min(70cqw,77cqh,170px)}.dock-title h1{font-size:40px}.track-chapter{font-size:8px;margin-bottom:6px}.track-subtitle{font-size:12px;margin-top:5px}.difficulty-row{margin-top:10px}.dock-difficulty{padding-block:6px;min-width:128px}.dock-difficulty b{font-size:23px}.song-dock .best{padding:12px 0}.song-dock .best strong{font-size:24px}.song-dock .best .sub{display:none}.dock-controls .primary{min-height:48px}.input-button{padding-block:7px}.song-dock .input-note{font-size:8px;margin-top:7px}}@media(orientation:landscape)and (max-height:550px){.game-menu-header{height:calc(52px + env(safe-area-inset-top))}.chapter-home,.chapter-tracks{--header-height: calc(52px + env(safe-area-inset-top)) }.chapter-home{grid-template-rows:minmax(0,1fr) 14px 52px}.chapter-info{padding:20px 7vw}.chapter-number{top:20px;font-size:20px}.chapter-kicker{display:none}.chapter-info h1{font-size:46px}.chapter-info h1 span{display:inline;margin-left:18px;font-size:14px;letter-spacing:3px}.chapter-bottom{margin-top:12px;gap:28px}.chapter-bottom>b{font-size:12px;padding-block:4px}.global-nav{gap:10vw}.global-nav button{min-height:44px}.chapter-position b{font-size:8px}.chapter-position span{width:14px}.chapter-tracks{padding:12px 6vw 16px}.track-browser{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:minmax(0,1fr);gap:7vw}.song-node{width:min(75cqw,78cqh,230px)}.track-count{font-size:10px;bottom:0}.track-chapter{font-size:8px;margin-bottom:5px}.dock-title h1{font-size:44px}.track-subtitle{font-size:12px;margin-top:5px}.song-duration{font-size:18px}.song-duration small{font-size:7px}.difficulty-row{margin-top:12px}.dock-difficulty{padding:5px 12px;min-width:135px}.dock-difficulty b{font-size:24px}.dock-difficulty strong{font-size:11px}.song-dock .best{padding:12px 0}.song-dock .best strong{font-size:23px}.song-dock .best .micro{font-size:8px}.song-dock .best .sub{display:none}.dock-controls .primary{min-height:48px;padding:10px 17px;font-size:16px}.input-button{min-width:98px;padding:8px 12px}.song-dock .input-note{font-size:8px;margin-top:7px}}@media(prefers-reduced-motion:no-preference){.chapter-info{animation:scene-in .35s ease-out both}.song-node{animation:jacket-in .35s cubic-bezier(.16,1,.3,1) both}.song-dock,.result-body{animation:scene-in .3s ease-out both}@keyframes scene-in{0%{opacity:0;translate:0 12px}to{opacity:1;translate:0 0}}@keyframes jacket-in{0%{opacity:0;scale:.96}to{opacity:1;scale:1}}}.library-screen .song-grid{width:100%;max-width:560px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.library-song{min-width:0;position:relative;padding:0;text-align:left;background:transparent;border:2px solid transparent;transition:transform .18s ease,border-color .18s ease}.library-song.is-selected{border-color:var(--song-accent);transform:translateY(-4px)}.library-song:hover{background:#24282a}.library-art{display:block;aspect-ratio:1;overflow:hidden}.library-art svg{display:block;width:100%;height:100%}.library-song-label{display:flex;justify-content:space-between;align-items:center;gap:4px;padding:10px 5px}.library-song-label b{font-size:13px}.library-song-label small{font-size:11px;color:var(--muted)}.song-index{position:absolute;top:6px;left:6px;background:#111214;color:#f3efe5;padding:3px 5px;font-size:10px}.library-screen .dock-title h1{font-size:clamp(32px,4.3vw,64px);letter-spacing:-1.5px;overflow-wrap:anywhere}.library-screen .song-description{color:var(--muted);font-size:13px;margin-top:16px}.difficulty-tabs{display:flex;gap:8px;margin-top:24px}.difficulty-tab{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:1;min-width:0;min-height:50px;padding:10px 12px;background:#262b2c;border-bottom:3px solid transparent}.difficulty-tab strong{font-size:11px}.difficulty-tab b{font-size:23px;font-weight:400}.difficulty-tab.is-selected{border-color:var(--green);background:#b8e581;color:#172013}.difficulty-tab[data-tier=NORMAL].is-selected{border-color:#f3d284;background:#d8b86a}.difficulty-tab[data-tier=HARD].is-selected{border-color:#ffb49d;background:#f2513e;color:#fff2ea}@media(max-width:700px){.library-screen .track-browser{grid-template-rows:auto auto;align-content:center;gap:20px}.library-screen .song-map{min-height:0;height:auto;container-type:normal}.library-screen .song-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.library-song-label{display:block;padding:8px 2px}.library-song-label b{display:block;font-size:9px;white-space:nowrap}.library-song-label small{display:block;font-size:10px;margin-top:4px}.library-screen .dock-title h1{font-size:36px}.library-screen .song-description{font-size:12px;margin-top:10px}.difficulty-tabs{margin-top:18px;gap:6px}.difficulty-tab{padding:8px;min-height:48px;gap:8px}.difficulty-tab strong{font-size:10px}.library-screen .song-dock .best{padding:18px 0}}@media(max-width:700px)and (max-height:650px){.library-screen{padding:8px 5vw 12px}.library-screen .track-browser{gap:12px}.library-screen .dock-title h1{font-size:29px}.library-screen .track-subtitle{font-size:12px;margin-top:4px}.library-screen .track-chapter{margin-bottom:6px}.library-screen .song-description{margin-top:8px;font-size:11px}.difficulty-tabs{margin-top:12px}.library-screen .song-dock .best{padding:12px 0}.library-screen .song-dock .best strong{font-size:23px}.library-screen .dock-controls .primary{min-height:48px}}@media(orientation:landscape)and (max-height:550px){.library-screen .track-browser{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:5vw}.library-screen .song-grid{max-width:310px;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.library-art{max-height:96px;aspect-ratio:auto}.library-song-label{padding:5px}.library-song-label b{font-size:11px}.library-song-label small{font-size:10px}.library-screen .dock-title h1{font-size:34px}.library-screen .track-chapter{margin-bottom:6px}.library-screen .song-description{margin-top:8px;font-size:11px}.difficulty-tabs{margin-top:12px}.difficulty-tab{min-height:44px;padding:6px 9px}.library-screen .song-dock .best{padding:12px 0}}.chapter-home{grid-template-rows:minmax(0,1fr) 64px 76px}.chapter-card .chapter-info{padding:clamp(18px,4vw,48px)}.chapter-card .chapter-number{top:clamp(18px,3vw,36px);left:clamp(18px,4vw,48px);color:var(--chapter-accent)}.chapter-card .chapter-info h1{font-size:clamp(44px,6vw,88px)}.chapter-card .chapter-bottom{flex-wrap:wrap;gap:12px 24px}.chapter-card .chapter-bottom>b{border-color:var(--chapter-accent)}.chapter-card .chapter-bottom .ui-icon{color:var(--chapter-accent)}.chapter-tracks[data-active-chapter=all]:before{background-image:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201440%201000'%20preserveAspectRatio='xMidYMid%20slice'%3e%3crect%20width='1440'%20height='1000'%20fill='%2318201b'/%3e%3ccircle%20cx='1000'%20cy='470'%20r='430'%20fill='none'%20stroke='%23354138'%20stroke-width='2'/%3e%3ccircle%20cx='1000'%20cy='470'%20r='330'%20fill='none'%20stroke='%23354138'%20stroke-width='2'/%3e%3cg%20transform='translate(670%20110)%20rotate(-16%20320%20320)'%3e%3cpath%20d='M0%200H300V300H0ZM340%200H640V300H340ZM0%20340H300V640H0ZM340%20340H640V640H340Z'%20fill='%23b8e581'/%3e%3cpath%20d='M28%2028H272V272H28ZM368%2028H612V272H368ZM28%20368H272V612H28ZM368%20368H612V612H368Z'%20fill='%2318201b'/%3e%3ccircle%20cx='150'%20cy='150'%20r='85'%20fill='none'%20stroke='%23b8e581'%20stroke-width='28'/%3e%3ccircle%20cx='490'%20cy='150'%20r='85'%20fill='none'%20stroke='%23f3efe5'%20stroke-width='28'/%3e%3ccircle%20cx='150'%20cy='490'%20r='85'%20fill='none'%20stroke='%23ffd568'%20stroke-width='28'/%3e%3ccircle%20cx='490'%20cy='490'%20r='85'%20fill='none'%20stroke='%23ff6654'%20stroke-width='28'/%3e%3cpath%20d='M138%20108H162V192H138ZM448%20138H532V162H448ZM108%20478H192V502H108ZM478%20448H502V532H478Z'%20fill='%23f3efe5'/%3e%3c/g%3e%3cpath%20d='M0%20836H490L326%201000H0ZM1240%200H1440V200Z'%20fill='%23b8e581'/%3e%3cpath%20d='M0%20864H400'%20stroke='%2318201b'%20stroke-width='8'/%3e%3c/svg%3e")}@media(max-width:700px){.chapter-home{grid-template-rows:minmax(0,1fr) 64px 72px}.chapter-card .chapter-info h1{font-size:clamp(36px,10vw,48px)}.chapter-card .chapter-info h1 span{font-size:13px;letter-spacing:3px}}@media(max-width:700px)and (max-height:650px){.chapter-home{grid-template-rows:minmax(0,1fr) 60px 62px}}@media(orientation:landscape)and (max-height:550px){.chapter-home{grid-template-rows:minmax(0,1fr) 60px 52px}.chapter-card .chapter-info{padding:18px 28px}.chapter-card .chapter-number{top:16px;left:28px}.chapter-card .chapter-info h1{font-size:42px}}.library-screen[data-active-chapter=all] .song-map{overflow-y:auto;overscroll-behavior:contain;touch-action:pan-y;align-self:stretch;min-height:0}.library-screen[data-active-chapter=all] .song-grid{margin:auto}.library-song-label{flex-wrap:wrap}.library-song-label b{overflow:hidden;text-overflow:ellipsis;max-width:100%}.song-credits{color:var(--cream);text-decoration:underline;text-underline-offset:3px}@media(min-width:701px){.library-screen[data-active-chapter=all] .song-map{max-height:calc(100dvh - 150px)}}@media(max-width:700px){.library-screen[data-active-chapter=all] .song-map{max-height:205px}.library-song-label b{font-size:10px}.library-song-label small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-credits{display:inline-block;margin-top:5px}}@media(max-width:700px)and (max-height:650px){.library-screen[data-active-chapter=all] .song-map{max-height:142px}.library-screen[data-active-chapter=all] .track-browser{align-content:start}}@media(orientation:landscape)and (max-height:550px){.library-screen[data-active-chapter=all] .song-map{max-height:calc(100dvh - 100px)}}.settings-dialog{width:min(100%,660px)}.settings-tabs{display:flex;gap:4px;margin-top:24px;border-bottom:1px solid #4a4e4c}.settings-tabs button{flex:1;min-width:0;min-height:48px;font-size:15px;padding:8px 4px;color:var(--muted);border-bottom:3px solid transparent}.settings-tabs [aria-selected=true]{color:var(--ink);border-color:var(--accent);background:#292e30}.settings-dialog [hidden]{display:none!important}.settings-dialog .setting label{font-size:17px}.settings-dialog .setting label span{font-size:15px;font-variant-numeric:tabular-nums}.settings-dialog .setting small,.settings-explanation{font-size:13px;line-height:1.7}.settings-dialog input[type=range]{min-height:44px;margin:4px 0}.fine-adjust{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-bottom:8px}.fine-adjust button{width:44px;min-height:44px;background:#33393b;font-size:20px}.fine-adjust input{width:78px;min-height:44px;text-align:center;background:#111618;border:1px solid #4c5351;color:var(--ink);font:inherit;border-radius:0;-webkit-user-select:text;user-select:text}.fine-adjust span{min-width:26px;font-size:13px;color:var(--muted)}.calibration{padding:18px;margin-top:22px;background:#121719}.cal-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.cal-heading h2{font-size:23px}.cal-heading span{font-size:13px;color:var(--gold)}.calibration p{font-size:14px;line-height:1.7;margin-top:10px;color:var(--muted)}#calCanvas{display:block;width:100%;height:210px;touch-action:none}.cal-legend{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:var(--muted)}.cal-controls,.cal-samples,.cal-apply{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}.cal-controls .secondary{flex:1}.cal-tap{display:flex;width:100%;min-height:80px;flex-direction:column;justify-content:center;align-items:center;gap:4px;background:var(--accent);color:#101214;font-size:23px;margin-top:12px;touch-action:none;-webkit-touch-callout:none}.cal-tap small{font-size:12px}.cal-feedback{min-height:28px;margin-top:15px;color:var(--gold);font-size:17px}.cal-samples{margin-top:0}.cal-samples span{font-size:13px;color:var(--muted)}.calibration .cal-apply button{width:100%}.calibration>small{display:block;font-size:12px;line-height:1.65;color:var(--muted);margin-top:10px}.settings-toggle{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:84px;padding:16px 0;border-bottom:1px solid #373d3e;font-size:17px;cursor:pointer}.settings-toggle small{display:block;font-size:13px;line-height:1.6;color:var(--muted);margin-top:5px}.settings-toggle input{flex-shrink:0;width:24px;height:24px;accent-color:var(--accent)}.settings-actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:24px}.settings-actions .primary{width:100%}.settings-dialog #fullscreen{width:100%;margin-top:24px}.settings-explanation{margin-top:18px;color:var(--muted)}.note-size-preview{display:flex;align-items:center;justify-content:space-around;gap:10px;background:#121719;min-height:100px;padding:10px}.note-size-preview span{display:grid;place-items:center;width:50px;min-height:50px}.note-size-preview .note-icon{width:calc(38px * var(--note-size));height:calc(38px * var(--note-size))}.note-size-preview.show-multi span:first-child{outline:1px solid var(--gold)}.timing-meter{position:absolute;left:50%;top:calc(50% + 28px);transform:translate(-50%);width:150px;height:12px;opacity:.8;pointer-events:none}.timing-meter .timing-track{position:absolute;top:3px;right:0;bottom:3px;left:0;background:linear-gradient(to right,#846944 0,#846944 29%,#6e907d 29%,#6e907d 40%,#ddc989 40%,#ddc989 60%,#6e907d 60%,#6e907d 71%,#846944 71%)}.timing-meter .timing-center{position:absolute;left:50%;top:0;width:1px;height:12px;background:#f3efe5}.timing-meter .timing-marker{position:absolute;top:0;width:3px;height:12px;background:#fff;transform:translate(-50%)}.timing-caption{position:absolute;top:16px;left:0;width:100%;display:flex;justify-content:space-between;font-size:8px;color:var(--muted)}.timing-result{margin-top:20px}.timing-result summary{cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;font-size:13px}.timing-bars{display:flex;gap:3px;height:55px;align-items:flex-end;border-bottom:1px solid #515856}.timing-bars i{flex:1;background:#7fa58a;min-height:2px}.timing-bars i:nth-child(n+7):nth-child(-n+11){background:#e0c27d}.timing-result p{font-size:12px;color:var(--muted);line-height:1.8;margin:8px 0}#pause.pause-armed:after{content:"再点一次暂停";position:absolute;left:50px;top:12px;width:100px;font-size:12px;color:var(--ink)}html.reduce-motion *,html.reduce-motion *:before,html.reduce-motion *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}html.reduce-motion .feedback-hit{transform:none}@media(max-width:400px){.settings-dialog{padding:24px 18px}.settings-tabs button{font-size:13px}.calibration{padding:14px}#calCanvas{height:190px}.settings-dialog .setting label,.settings-toggle{font-size:16px}}.result-body{max-height:100%;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-right:4px}@media(max-width:700px)and (orientation:portrait){.result-screen{grid-template-rows:minmax(90px,1fr) minmax(0,auto) auto}}.sound-preview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:10px 0 18px}.sound-preview button{min-height:44px;padding:8px 2px;font-size:13px;justify-content:center}