:root{--bg: #0e1016;--panel: #161a23;--panel2: #1e2330;--line: #2a3040;--text: #e9ecf2;--muted: #98a1b3;--accent: #fbbf24;--accent-ink: #1a1405;--right: #34d399;--left: #60a5fa;--bad: #f87171;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}code,kbd{font:12px ui-monospace,Menlo,monospace;background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:1px 5px}h1{font-size:26px;line-height:1.2;margin:4px 0 14px;letter-spacing:-.01em}h2{font-size:19px;margin:0 0 14px}h3{font-size:15px;margin:0 0 10px}.muted{color:var(--muted)}.small{font-size:13px}.hidden{display:none!important}.topbar{display:flex;align-items:center;gap:10px;padding:10px 20px;border-bottom:1px solid var(--line);background:#0e1016e6;position:sticky;top:0;z-index:5}.brand{text-decoration:none;font-weight:700;font-size:17px;display:flex;gap:8px;align-items:center}.spacer{flex:1}.chip{font:inherit;font-size:13px;color:var(--text);background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:4px 12px;white-space:nowrap;max-width:46vw;overflow:hidden;text-overflow:ellipsis}button.chip{cursor:pointer}.chip.ok{border-color:#34d39980;color:#a7f3d0}.chip.warn{color:#fcd34d;border-color:#fbbf2459}body.in-player .topbar{display:none}main{max-width:1100px;margin:0 auto;padding:24px 20px 60px}body.in-player main{max-width:none;padding:0;height:100vh}section{margin-bottom:36px}.btn{font:inherit;font-weight:600;color:var(--text);background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.btn:hover{border-color:#3b4357;background:#252b3a}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn.primary:hover{background:#fcd34d}.btn.ghost{background:transparent}.btn.small{padding:4px 10px;font-size:13px}.btn.big{padding:14px 22px;font-size:16px;border-radius:12px}.btn.round{width:44px;height:44px;border-radius:50%;justify-content:center;padding:0;font-size:16px}.btn.on{border-color:var(--accent);color:var(--accent)}.hero{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:linear-gradient(135deg,#1b2131,#161a23 60%);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}.hero>div{flex:1 1 340px}.kicker{color:var(--accent);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.progressbar{height:8px;background:var(--panel2);border-radius:99px;overflow:hidden;max-width:420px}.progressbar>div{height:100%;background:linear-gradient(90deg,var(--left),var(--right));border-radius:99px}.hero p{margin:8px 0 0}.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.module{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.mnum{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:6px;background:var(--panel2);color:var(--accent);font-size:12px;margin-right:8px}.lessons{display:flex;flex-direction:column;gap:6px}.lesson{display:flex;align-items:center;gap:10px;text-decoration:none;padding:8px 10px;border-radius:10px;border:1px solid transparent;background:var(--panel2)}.lesson:hover{border-color:#3b4357}.lesson.next{border-color:var(--accent)}.lnum{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;background:#2a3142;color:var(--muted);flex:none}.lesson.done .lnum{background:var(--right);color:#052e1f}.ltitle{flex:1;font-size:14px}.lmeta{display:flex;align-items:center;gap:6px}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot.l{background:var(--left)}.dot.r{background:var(--right)}.stars{color:var(--accent);letter-spacing:1px;font-size:13px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.import{margin-bottom:16px}.import-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.import-row+.import-row{margin-top:12px}.import-row input[type=url]{flex:1 1 300px}input,select{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:9px 12px}input:focus,select:focus{outline:2px solid rgba(251,191,36,.5);outline-offset:1px}label.btn{cursor:pointer}.job{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.job-head{display:flex;align-items:center;gap:10px}.job-head b{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}.job.error .badge{color:var(--bad)}.job.done .badge{color:var(--right)}.job .btn{margin-top:8px}.pbar-thin{height:6px;background:var(--panel2);border-radius:99px;overflow:hidden;margin-top:8px}.pbar-thin>div{height:100%;background:var(--accent);transition:width .4s}.x{background:none;border:none;color:var(--muted);cursor:pointer;font-size:14px;padding:4px}.x:hover{color:var(--text)}.songs{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.song{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.song:hover{border-color:#3b4357}.song-link{text-decoration:none;display:block}.song img,.song .noimg{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--panel2)}.song .noimg{display:grid;place-items:center;font-size:40px;color:var(--muted)}.song-info{padding:10px 12px 12px;display:flex;flex-direction:column;gap:2px}.song-info b{font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.song .x{position:absolute;top:6px;right:6px;background:#0000008c;border-radius:8px}.empty{padding:10px 2px}.help ul{padding-left:20px;color:#cfd5e1}.help li{margin-bottom:6px}.loading{padding:40px;text-align:center;color:var(--muted)}.player{display:flex;flex-direction:column;height:100vh;background:#0b0d12}.pbar{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}.ptitle{font-weight:700;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:6px}.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:2px}.seg button{font:inherit;font-size:13px;font-weight:600;color:var(--muted);background:none;border:none;padding:5px 11px;border-radius:8px;cursor:pointer}.seg button.on{background:var(--panel2);color:var(--text);box-shadow:inset 0 0 0 1px #3b4357}.seg .hand-l.on{color:var(--left);box-shadow:inset 0 0 0 1px var(--left)}.seg .hand-r.on{color:var(--right);box-shadow:inset 0 0 0 1px var(--right)}.tempo{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.tempo input{width:110px;padding:0;accent-color:var(--accent)}.tempo span{width:38px;color:var(--text);font-variant-numeric:tabular-nums}.toggles{display:inline-flex;gap:6px;flex-wrap:wrap;margin-left:auto}.tog{font:inherit;font-size:12.5px;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:8px;padding:5px 9px;cursor:pointer}.tog.on{color:var(--accent);border-color:#fbbf2499;background:#fbbf2414}.score-wrap{display:flex;height:200px;background:#f7f5ef;border-bottom:1px solid var(--line);flex:none;overflow:hidden}.score-clefs{width:96px;flex:none;background:#f7f5ef;position:relative;z-index:2;box-shadow:6px 0 10px -6px #00000040}.score-viewport{position:relative;flex:1;overflow:hidden}.score-track{position:absolute;top:0;left:0;height:100%;will-change:transform}.score-chunk{position:absolute;top:0}.score-cursor{position:absolute;top:18px;bottom:18px;left:22%;width:3px;border-radius:2px;background:#f59e0bbf;box-shadow:0 0 10px #f59e0b99}.score-chunk svg{display:block}.stage{position:relative;flex:1;min-height:200px}.stage canvas{position:absolute;top:0;right:0;bottom:0;left:0;touch-action:none}.wait-hint{position:absolute;top:14px;left:50%;transform:translate(-50%);background:#fbbf2426;color:var(--accent);border:1px solid rgba(251,191,36,.4);font-size:13px;font-weight:600;border-radius:99px;padding:4px 14px;opacity:0;transition:opacity .2s;pointer-events:none}.wait-hint.show{opacity:1}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#06080cb8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:4;padding:20px;overflow:auto}.overlay .card{max-width:560px;width:100%;box-shadow:0 20px 60px #00000080}.intro h2,.result h2{font-size:24px;margin:4px 0 12px}.lesson-text p{margin:0 0 10px;color:#d7dce6}.tip{background:#fbbf2414;border:1px solid rgba(251,191,36,.25);border-radius:10px;padding:10px 12px}.row{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}.result{text-align:center}.result .row{justify-content:center}.stars.big{font-size:40px;letter-spacing:6px}.settings label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);margin-bottom:12px}.settings .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.transport{display:flex;align-items:center;gap:12px;padding:8px 14px;background:var(--panel);border-top:1px solid var(--line);flex-wrap:wrap}.time{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted);width:38px}.time.total{text-align:right}.scrub{flex:1 1 200px;padding:0;accent-color:var(--accent)}.loop{display:inline-flex;gap:4px}.stats{display:inline-flex;gap:12px;font-weight:700;font-variant-numeric:tabular-nums;min-width:120px}.stats .ok{color:var(--right)}.stats .bad{color:var(--bad)}.stats .miss{color:var(--muted)}@media (max-width: 760px){.hero{padding:20px}.ptitle{max-width:140px}.toggles{margin-left:0}.score-wrap{height:170px}}.tabs{display:flex;gap:4px;margin-left:18px}.tabs a{text-decoration:none;color:var(--muted);font-weight:600;font-size:14px;padding:6px 12px;border-radius:9px}.tabs a:hover{color:var(--text);background:var(--panel2)}.tabs a.on{color:var(--text);background:var(--panel2);box-shadow:inset 0 -2px 0 var(--accent)}.next-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.card.link{text-decoration:none;display:flex;flex-direction:column;gap:4px}.card.link:hover{border-color:#3b4357}.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0}.fchip{font:inherit;font-size:13px;font-weight:600;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.fchip.on{color:var(--text);border-color:var(--accent);background:#fbbf2414}.fsep{width:1px;height:22px;background:var(--line);margin:0 4px}.lvl{width:8px;height:8px;border-radius:2px;display:inline-block}.lvl.l1,.lv1 .lvl-badge{background:#34d399}.lvl.l2,.lv2 .lvl-badge{background:#60a5fa}.lvl.l3,.lv3 .lvl-badge{background:#c084fc}.catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.piece{text-decoration:none;display:flex;flex-direction:column;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;min-height:150px;position:relative;overflow:hidden}.piece:before{content:"";position:absolute;inset:0 0 auto 0;height:3px}.lv1:before{background:#34d399}.lv2:before{background:#60a5fa}.lv3:before{background:#c084fc}.piece:hover{border-color:#3b4357;transform:translateY(-1px)}.piece-top{display:flex;gap:6px;align-items:center;margin-bottom:6px;font-size:11px}.lvl-badge{color:#0b0d12;font-weight:700;border-radius:6px;padding:1px 7px}.tag{color:var(--accent);border:1px solid rgba(251,191,36,.4);border-radius:6px;padding:0 6px}.cat{margin-left:auto;color:var(--muted)}.piece-title{font-size:16px;line-height:1.25}.piece-foot{margin-top:auto;display:flex;align-items:center;gap:6px;padding-top:10px}.piece-foot .stars{margin-left:auto}.note p{margin:6px 0 0}@media (max-width: 640px){.tabs{margin-left:0}.brand span{display:none}}.login{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;background:#06080ceb;padding:20px}.login form{width:min(380px,100%);display:flex;flex-direction:column;gap:12px;text-align:center}.login .brand.big{font-size:22px;justify-content:center}.login .err{color:var(--bad);min-height:1.2em;margin:0;font-size:14px}.sheet{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#06080c99;display:flex;justify-content:flex-end;align-items:flex-start;padding:calc(56px + env(safe-area-inset-top)) 14px 14px}.sheet-card{width:min(440px,100%);max-height:calc(100vh - 80px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 20px 60px #00000080}.sheet-card h3{margin:18px 0 6px;display:flex;align-items:center;gap:8px}.sheet-card p{margin:6px 0}.sheet-head{display:flex;align-items:center;justify-content:space-between}.sheet-head h2{margin:0;font-size:17px}.pill{font-size:11px;font-weight:700;text-transform:uppercase;border-radius:99px;padding:1px 8px;background:var(--panel2);color:var(--muted)}.pill.ok{background:#34d39926;color:var(--right)}.ok-text{color:#a7f3d0}.warn-text{color:#fcd34d}.row.left{justify-content:flex-start;align-items:center;margin-top:8px}.meter{flex:1;height:8px;background:var(--panel2);border-radius:99px;overflow:hidden;min-width:100px}.meter>div{height:100%;width:0;background:linear-gradient(90deg,var(--right),var(--accent));transition:width .06s}.sens{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:10px}.sens input{flex:1;padding:0;accent-color:var(--accent)}.station{margin:0 0 14px;font-size:14px}.station.on{color:var(--right)}.station.off{color:#fcd34d}html{-webkit-text-size-adjust:100%}body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.topbar{padding-top:max(10px,env(safe-area-inset-top))}button,a,.stage canvas{-webkit-tap-highlight-color:transparent}.stage canvas{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}body.in-player main{height:100dvh}.player{height:100dvh;padding-top:env(safe-area-inset-top)}.transport{padding-bottom:max(8px,env(safe-area-inset-bottom))}@media (max-width: 900px){.tabs a{padding:6px 9px}.pbar{gap:6px;padding:6px 8px}.ptitle{display:none}.tempo input{width:80px}.toggles{margin-left:0}.tog{padding:4px 7px;font-size:12px}.transport .loop{order:5}.stats{min-width:0}}@media (max-width: 640px){main{padding:16px 14px 60px}h1{font-size:22px}.topbar{gap:6px;padding-left:10px;padding-right:10px;flex-wrap:wrap}.tabs{order:3;width:100%;justify-content:space-around;margin:4px 0 0}.chip{max-width:40vw}.hero .btn.big{width:100%;justify-content:center;white-space:normal}.modules,.catalog,.songs{grid-template-columns:1fr}.seg button{padding:5px 8px;font-size:12px}.score-wrap{height:150px}}@media (max-height: 500px) and (orientation: landscape){.score-wrap{height:130px}.pbar .toggles .tog:not(.on):not([data-tog=showScore]):not([data-tog=metronome]){display:none}}.rotate-hint{display:none}@media (max-width: 500px) and (orientation: portrait){.rotate-hint{display:block;position:absolute;bottom:8px;left:50%;transform:translate(-50%);background:#0009;color:var(--muted);font-size:12px;padding:4px 10px;border-radius:99px;pointer-events:none;z-index:3;white-space:nowrap}}@media (max-height: 560px){.pbar{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding:4px 8px;gap:6px}.pbar::-webkit-scrollbar{display:none}.pbar>*{flex:none}.pbar .lbl,.transport .lbl,.ptitle{display:none}.toggles{flex-wrap:nowrap;margin-left:0}.tempo input{width:70px}.stage{min-height:120px}.score-wrap{height:120px}.transport{padding-top:4px;padding-bottom:max(4px,env(safe-area-inset-bottom));gap:8px}.btn.round{width:36px;height:36px}.overlay .card{padding:14px}.intro h2,.result h2{font-size:19px;margin:2px 0 6px}.lesson-text p{margin-bottom:6px;font-size:14px}.stars.big{font-size:28px}}.today{margin-bottom:22px;background:linear-gradient(135deg,#1d2333,#161a23 70%);padding:20px 22px}.today h2{margin:2px 0 0;font-size:21px}.today-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:14px}.streak{font-size:14px;background:#fbbf2414;border:1px solid rgba(251,191,36,.25);border-radius:12px;padding:7px 12px}.streak span{color:var(--muted)}.durations{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.dur{font:inherit;font-weight:700;font-size:15px;color:var(--text);background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:9px 15px;cursor:pointer;min-width:64px}.dur:hover{border-color:#3b4357}.dur.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.plan{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-direction:column;gap:6px}.plan li{display:flex;align-items:center;gap:12px;background:var(--panel2);border-radius:10px;padding:9px 12px;border-left:3px solid var(--line)}.plan li.k-warmup{border-left-color:#94a3b8}.plan li.k-consolidate,.plan li.k-review{border-left-color:var(--left)}.plan li.k-new,.plan li.k-replay{border-left-color:var(--accent)}.plan li.k-song,.plan li.k-mine{border-left-color:var(--right)}.plan li.skipped{opacity:.45}.pi{font-size:18px;width:24px;text-align:center}.pt{flex:1;font-size:14px;display:flex;flex-direction:column}.pt small{color:var(--muted);font-size:12.5px}.pm{font-variant-numeric:tabular-nums;font-weight:700;color:var(--muted);white-space:nowrap}.today .btn.big{margin-top:4px}.sessbar{display:flex;align-items:center;gap:10px;padding:6px 12px;background:#1f2638;border-bottom:1px solid var(--line);font-size:13.5px;flex-wrap:wrap}.sess-step{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sess-step .lbl{color:var(--muted)}.sess-time{font-variant-numeric:tabular-nums;font-weight:700;color:var(--accent)}.sessbar.over .sess-time{color:var(--right)}.sess-banner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#1f2638;border:1px solid rgba(251,191,36,.35);border-radius:12px;padding:10px 14px;margin-bottom:18px;font-size:14px}.sess-banner span{flex:1}.summary h1{margin-bottom:16px}.sum-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}.sum-stats div{background:var(--panel2);border-radius:12px;padding:12px;text-align:center;display:flex;flex-direction:column}.sum-stats b{font-size:24px}.sum-stats span{color:var(--muted);font-size:13px}@media (max-width: 640px){.sum-stats{grid-template-columns:repeat(2,1fr)}.dur{flex:1 0 calc(25% - 8px);min-width:0;padding:9px 4px}}@media (max-height: 560px){.sessbar{padding:3px 8px;font-size:12.5px;flex-wrap:nowrap}.sessbar .lbl{display:none}}.heat{order:10;width:100%;display:flex;gap:2px;height:14px}.hm{flex:1;min-width:3px;border:none;padding:0;border-radius:3px;cursor:pointer;background:#2a3040}.hm.good{background:#34d399}.hm.mid{background:#fbbf24}.hm.bad{background:#f87171}.hm.seg{outline:2px solid #fff;outline-offset:-1px}.hm:hover{filter:brightness(1.25)}.score-track .heat-m{position:absolute;top:0;bottom:0;opacity:.16;pointer-events:none}.heat-m.good{background:#10b981}.heat-m.mid{background:#f59e0b}.heat-m.bad{background:#ef4444;opacity:.22}.score-chunk{z-index:1}.coach{position:absolute;top:10px;left:10px;z-index:3;max-width:min(520px,calc(100% - 20px));background:#0f121aeb;border:1px solid #3b4357;border-radius:12px;padding:8px 12px;font-size:13.5px;box-shadow:0 8px 24px #00000059}.coach .c1{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.coach .c2{color:#cfd5e1;margin-top:3px}.coach.flash-good{border-color:#34d399b3}.coach.flash-bad{border-color:#f87171b3}.dots{display:inline-flex;gap:3px;margin-left:4px}.dots i{width:9px;height:9px;border-radius:50%;background:#3b4357;display:inline-block}.dots i.on{background:var(--right)}.progress-card{max-width:620px!important;text-align:left}.progress-card h3{margin:16px 0 8px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.ladder{list-style:none;padding:0;margin:10px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;counter-reset:st}.ladder li{counter-increment:st;font-size:12px;text-align:center;padding:8px 4px;border-radius:8px;background:var(--panel2);color:var(--muted)}.ladder li:before{content:counter(st);display:block;font-weight:800;font-size:15px}.ladder li.done{background:#34d39926;color:#a7f3d0}.ladder li.cur{outline:2px solid var(--right)}.check{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.check li{display:grid;grid-template-columns:24px 1fr;font-size:14px}.check li small{grid-column:2;color:var(--muted)}.check li.ok{color:#a7f3d0}.weak{display:flex;flex-wrap:wrap;gap:6px}.tips{margin:0;padding-left:18px;font-size:14px;color:#d7dce6}.tips li{margin-bottom:6px}.mastery-line{font-size:14px}.mastery-line a{color:var(--accent)}.badge-stage{font-size:11px;font-weight:700;border-radius:6px;padding:1px 6px;background:var(--panel2);color:var(--muted);white-space:nowrap}.badge-stage.s5{background:#34d3992e;color:#a7f3d0}.badge-stage.s4{background:#60a5fa2e;color:#bfdbfe}@media (max-width: 640px){.ladder{grid-template-columns:repeat(5,1fr)}.ladder li{font-size:10px}}