:root{color-scheme:dark;font-family:system-ui,sans-serif;--bg-0: #06070f;--bg-1: #0b0e1d;--ink: #e8ecff;--ink-dim: #8890b0;--ink-faint: #565e7e;--neon-a: #7b5cff;--neon-b: #4dd8ff;--grad: linear-gradient(135deg, var(--neon-a), var(--neon-b));--glass: rgba(16, 18, 38, .62);--glass-border: rgba(140, 160, 255, .28);--glow-a: rgba(123, 92, 255, .45);--glow-b: rgba(77, 216, 255, .4);--font-brand: "Space Grotesk", system-ui, sans-serif}[hidden]{display:none!important}body{margin:0;overflow:hidden;background:var(--bg-0);color:var(--ink)}#stage{position:fixed;top:0;right:0;bottom:0;left:0;touch-action:none;cursor:crosshair;background:radial-gradient(ellipse 70% 50% at 20% 110%,rgba(123,92,255,.16),transparent),radial-gradient(ellipse 60% 45% at 85% -10%,rgba(77,216,255,.12),transparent),var(--bg-0)}#intro{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;pointer-events:none;z-index:3;background:var(--bg-0);transition:opacity .6s ease}#intro.leaving{opacity:0}.ripples{position:absolute;top:50%;left:50%;width:0;height:0}.ripples i{position:absolute;top:0;left:0;width:60vmin;height:60vmin;margin:-30vmin 0 0 -30vmin;border-radius:50%;border:1.5px solid rgba(123,92,255,.35);animation:ripple 4.5s linear infinite}.ripples i:nth-child(2){animation-delay:1.5s;border-color:#4dd8ff4d}.ripples i:nth-child(3){animation-delay:3s;border-color:#8ca0ff38}@keyframes ripple{0%{transform:scale(.2);opacity:0}25%{opacity:1}to{transform:scale(1.6);opacity:0}}#intro.leaving .ripples i{animation:ripple-burst .65s ease-out forwards}@keyframes ripple-burst{to{transform:scale(3.2);opacity:0}}.logo{display:flex;align-items:center;gap:14px;animation:rise 1s ease both}.logo .mark{width:44px;height:44px;filter:drop-shadow(0 0 12px var(--glow-a))}.wordmark{margin:0;font-family:var(--font-brand);font-weight:700;font-size:clamp(34px,8vw,54px);letter-spacing:.42em;text-indent:.1em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 22px var(--glow-a))}#intro .tagline{margin:2px 0 26px;color:var(--ink-dim);letter-spacing:.35em;text-indent:.35em;font-size:14px;animation:rise 1s .25s ease both}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}#cam-btn{pointer-events:auto;position:relative;padding:15px 46px;border:1px solid transparent;border-radius:30px;background:linear-gradient(var(--bg-1),var(--bg-1)) padding-box,var(--grad) border-box;color:var(--ink);font-size:17px;font-weight:600;letter-spacing:.12em;cursor:pointer;animation:rise 1s .5s ease both,breathe 2.6s 1.5s ease-in-out infinite}@keyframes breathe{50%{box-shadow:0 0 34px var(--glow-a),0 0 12px var(--glow-b)}}#cam-btn:hover{filter:brightness(1.2)}#intro .hint{color:var(--ink-faint);font-size:12.5px;margin-top:20px;animation:rise 1s .75s ease both}#intro .ver{position:absolute;bottom:max(14px,env(safe-area-inset-bottom));margin:0;font-size:11px;color:var(--ink-faint);opacity:.7}#note-display{position:absolute;top:12px;left:50%;transform:translate(-50%);font-family:var(--font-brand);font-size:clamp(38px,7vw,56px);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 18px var(--glow-b));opacity:0;transition:opacity .25s;pointer-events:none;z-index:2}#note-display.on{opacity:1}#note-display.bottom{top:auto;bottom:86px;font-size:clamp(30px,5.5vw,44px)}.chip{position:absolute;top:16px;right:16px;padding:8px 17px;border:1px solid var(--glass-border);border-radius:19px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--ink-dim);font-size:13px;cursor:pointer;z-index:2;transition:color .2s,border-color .2s,box-shadow .2s}.chip.on{border-color:var(--neon-b);color:var(--ink);box-shadow:0 0 14px var(--glow-b)}.toggle{padding:6px 14px;border:1px solid var(--glass-border);border-radius:16px;background:var(--glass);color:var(--ink-dim);font-size:13px;cursor:pointer}.toggle.on{border-color:var(--neon-b);color:var(--ink)}#exit-btn{left:16px;right:auto}#setup-sheet{position:fixed;top:0;right:0;bottom:0;left:0;z-index:8;display:flex;align-items:flex-end;justify-content:center;background:#04050c8c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.sheet-card{width:min(480px,100vw);box-sizing:border-box;padding:22px 20px calc(22px + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;background:var(--bg-1);border:1px solid var(--glass-border);border-bottom:none;display:flex;flex-direction:column;gap:14px;animation:sheet-up .35s ease both;max-height:86vh;overflow-y:auto}#pattern-top{align-items:center;justify-content:space-between}.seg-mini{display:flex;border:1px solid var(--glass-border);border-radius:13px;overflow:hidden}.seg-mini button{padding:7px 14px;border:none;background:transparent;color:var(--ink-dim);font-size:12px;cursor:pointer}.seg-mini button.on{background:#7b5cff38;color:var(--ink)}#chord-strip{position:absolute;top:0;left:0;right:0;z-index:3;display:flex;align-items:center;gap:4px;padding:4px 6px;box-sizing:border-box;pointer-events:none}#chord-strip.overlay{background:linear-gradient(#06070fd1,#06070f80);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}#chord-strip.flash .cs-cell.on{animation:cs-flash .42s ease-out}@keyframes cs-flash{0%{box-shadow:0 0 #9678ff00;transform:scale(1.12)}to{box-shadow:0 0 16px var(--glow-a);transform:scale(1.06)}}.cs-cell{flex:1;min-width:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;border-radius:12px;border:1px solid rgba(150,170,255,.16);background:#10132880;transition:transform .12s,box-shadow .12s,border-color .12s}.cs-cell.on{border-color:#cdbeffe6;background:#7b5cff57;transform:scale(1.06);box-shadow:0 0 16px var(--glow-a)}.cs-glyph{width:100%;height:62%;opacity:.6;object-fit:contain}.cs-cell.on .cs-glyph{opacity:1}.cs-name{font-size:10.5px;line-height:1;color:var(--ink-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:96%;text-align:center}.cs-cell.on .cs-name{color:#fff;font-weight:700}#stage.strip-on #exit-btn,#stage.strip-on #dev-hud{top:calc(var(--strip-h, 0px) + 10px)}#stage.strip-on #ctl-panel{top:calc(var(--strip-h, 0px) + 100px)}#inst-bar{position:absolute;bottom:max(24px,env(safe-area-inset-bottom));left:104px;right:12px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;z-index:2;padding-bottom:2px}#inst-bar::-webkit-scrollbar{display:none}#inst-bar .preset{flex:0 0 auto;font-size:13px;padding:8px 14px}.disabled{opacity:.38;pointer-events:none}#shape-test{position:absolute;left:12px;right:12px;bottom:max(14px,env(safe-area-inset-bottom));z-index:6;padding:14px 16px;border-radius:18px;background:#0a0c1adb;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--glass-border);display:flex;flex-direction:column;gap:10px}.st-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.st-head div{display:flex;align-items:baseline;gap:10px;min-width:0}#st-degree{font-family:var(--font-brand);font-size:30px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}#st-shape{color:var(--ink-dim);font-size:13px}.st-fingers{display:flex;gap:6px}.fg{flex:1;text-align:center;padding:6px 0;border-radius:10px;border:1px solid var(--glass-border);font-size:12px;color:var(--ink-faint)}.fg.on{background:#7b5cff52;color:var(--ink);border-color:var(--neon-a)}.st-list{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.st-item{padding:6px 4px;border-radius:10px;border:1px solid var(--glass-border);text-align:center;font-size:10.5px;color:var(--ink-faint);line-height:1.35}.st-item b{display:block;font-size:13px;color:var(--ink-dim)}.st-item.ok{border-color:#4ade80;background:#4ade8029;color:#d7ffe6}.st-item.ok b{color:#b8ffd0}.st-raw{font-size:10px;color:var(--ink-faint);letter-spacing:.02em}.chip-sm.wide{width:100%;padding:11px 0}.bpm-ctl{display:flex;align-items:center;gap:10px}.bpm-ctl>button{width:40px;height:40px;border:1px solid var(--glass-border);border-radius:50%;background:var(--glass);color:var(--ink);font-size:20px;line-height:1;cursor:pointer}.bpm-ctl>button:active{background:#7b5cff4d}#bpm-val{min-width:92px;text-align:center;font-family:var(--font-brand);font-size:19px;font-weight:700;color:var(--ink)}#bpm-val i{font-size:11px;font-style:normal;color:var(--ink-faint);letter-spacing:.1em}.bpm-ctl .seg-mini{margin-left:auto}#pattern-groups{display:flex;flex-direction:column;gap:10px}.pat-row{display:flex;flex-direction:column;gap:6px}.pat-cat{font-size:11px;letter-spacing:.1em;color:var(--ink-faint)}@keyframes sheet-up{0%{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}.sheet-card h3{margin:0;font-size:16px;font-weight:600;letter-spacing:.08em;color:var(--ink)}.sheet-head{display:flex;align-items:center;justify-content:space-between}#sheet-close{width:32px;height:32px;border:1px solid var(--glass-border);border-radius:50%;background:var(--glass);color:var(--ink-dim);font-size:14px;cursor:pointer}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip-sm{padding:8px 16px;border:1px solid var(--glass-border);border-radius:17px;background:var(--glass);color:var(--ink-dim);font-size:13px;cursor:pointer;transition:border-color .2s,box-shadow .2s,color .2s}.chip-sm.on{border-color:var(--neon-b);color:var(--ink);box-shadow:0 0 10px var(--glow-b)}.sheet-hint{margin:0;font-size:12px;color:var(--ink-faint)}.seg{display:flex;border:1px solid var(--glass-border);border-radius:14px;overflow:hidden}.seg button{flex:1;padding:11px 0;border:none;background:transparent;color:var(--ink-dim);font-size:14px;cursor:pointer}.seg button.on{background:#7b5cff38;color:var(--ink)}.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.opt-card{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:12px 14px;border:1px solid var(--glass-border);border-radius:14px;background:var(--glass);color:var(--ink-dim);font-size:13px;cursor:pointer;text-align:left;transition:border-color .2s,box-shadow .2s,color .2s}.opt-card b{font-size:14.5px;color:var(--ink);font-weight:600}.opt-card span{font-size:12px}.opt-card.on{border-color:var(--neon-a);box-shadow:0 0 12px var(--glow-a);color:var(--ink)}#sheet-start{margin-top:4px;padding:14px 0;border:1px solid transparent;border-radius:26px;background:linear-gradient(var(--bg-1),var(--bg-1)) padding-box,var(--grad) border-box;color:var(--ink);font-size:16px;font-weight:600;letter-spacing:.1em;cursor:pointer;box-shadow:0 0 18px var(--glow-a)}#dev-hud{position:absolute;top:16px;left:16px;line-height:1.5;color:#8f8;font-size:12px;text-shadow:0 1px 4px #000;pointer-events:none;z-index:2;max-width:46vw}#ctl-panel{position:absolute;top:108px;right:16px;display:flex;flex-direction:column;align-items:flex-end;gap:8px;color:var(--ink-dim);font-size:13px;z-index:2}#ctl-panel label{display:flex;align-items:center;gap:8px}#glide{width:140px}#preset-bar{position:absolute;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);display:flex;gap:6px;z-index:2}.preset{padding:9px 19px;border:1px solid var(--glass-border);border-radius:19px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--ink-dim);font-size:14px;cursor:pointer;transition:color .2s,border-color .2s,box-shadow .2s}.preset.on{border-color:var(--neon-a);color:var(--ink);box-shadow:0 0 14px var(--glow-a)}#guide{position:absolute;bottom:92px;left:50%;transform:translate(-50%) translateY(8px);max-width:86vw;padding:12px 24px;border-radius:24px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);color:var(--ink);font-size:15px;text-align:center;opacity:0;transition:opacity .3s,transform .3s;pointer-events:none;z-index:4;white-space:nowrap}#guide.show{opacity:1;transform:translate(-50%) translateY(0)}#guide-skip{top:auto;bottom:92px;right:16px;z-index:4}#toast,#brand{position:absolute;right:16px;bottom:76px;font-size:12px;color:var(--ink-dim);background:var(--glass);border-radius:12px;padding:5px 12px;pointer-events:none;z-index:2}#brand{background:none;padding:0;font-family:var(--font-brand);font-weight:500;letter-spacing:.3em;color:#e8ecff4d}#countdown{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:var(--font-brand);font-size:clamp(90px,22vw,160px);font-weight:700;color:var(--ink);text-shadow:0 0 40px var(--glow-a),0 0 80px var(--glow-b);pointer-events:none;z-index:5}#cam-panel{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}#cam,#overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain}#cam{transform:scaleX(-1);opacity:.85}#rec-btn{position:absolute;bottom:max(24px,env(safe-area-inset-bottom));left:24px;width:76px;padding:10px 0;border:1px solid rgba(255,110,110,.5);border-radius:22px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:#ff8f8f;font-size:15px;cursor:pointer;z-index:2}#rec-btn.recording{background:#d42a3d;color:#fff;border-color:#ff6e7e;animation:rec-pulse 1.2s infinite}@keyframes rec-pulse{50%{box-shadow:0 0 18px #ff465abf}}#rec-result{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;background:#04050ceb;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px}#rec-result h2{margin:0;font-size:22px;font-weight:600;letter-spacing:.06em}#rec-video{max-width:min(90vw,640px);max-height:58vh;border-radius:14px;background:#000;border:1px solid var(--glass-border);box-shadow:0 8px 40px #0009}.rec-actions{display:flex;gap:12px}.rec-actions button,.rec-actions a{padding:11px 24px;border:1px solid var(--glass-border);border-radius:24px;background:var(--glass);color:var(--ink);font-size:15px;cursor:pointer;text-decoration:none}#rec-share{border:1px solid transparent;background:linear-gradient(var(--bg-1),var(--bg-1)) padding-box,var(--grad) border-box;box-shadow:0 0 16px var(--glow-a)}#dot{position:absolute;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;border:2px solid var(--neon-b);opacity:0;pointer-events:none;transition:opacity .15s}#dot.on{opacity:1;background:#4dd8ff4d;box-shadow:0 0 18px var(--glow-b)}@media(max-width:600px){#dev-hud{font-size:10px}#ctl-panel{font-size:12px;gap:6px}#glide{width:90px}.toggle{padding:5px 12px;font-size:12px}#preset-bar{left:auto;right:16px;transform:none}}.key-roots{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.key-roots .chip-sm{padding:9px 0;text-align:center;font-variant-numeric:tabular-nums}#mute-badge{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:7px;padding:12px 20px;border-radius:999px;background:#0a0c1a8c;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(200,210,255,.28);box-shadow:0 6px 28px #00000059;z-index:3;pointer-events:none;animation:mute-in .25s ease both}#mute-badge i{width:5px;height:20px;border-radius:3px;background:linear-gradient(180deg,#e8ecff,#9aa6d8)}#mute-badge span{margin-left:6px;font-size:12.5px;letter-spacing:.16em;color:var(--ink-dim)}@keyframes mute-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.94)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}#tilt-cal{position:absolute;left:12px;right:12px;bottom:max(14px,env(safe-area-inset-bottom));z-index:6;padding:14px 16px 16px;border-radius:20px;background:#0a0c1ae0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--glass-border);display:flex;flex-direction:column;gap:12px}.tc-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;letter-spacing:.08em;color:var(--ink-dim)}.tc-main{display:flex;align-items:center;justify-content:center;gap:18px}.tc-step{min-width:74px;padding:14px 0;border:1px solid var(--glass-border);border-radius:16px;background:var(--glass);color:var(--ink);font-size:16px;font-weight:600;cursor:pointer}.tc-step:active{background:#7b5cff59}#tc-val{min-width:84px;text-align:center;font-family:var(--font-brand);font-size:30px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.tc-live{text-align:center;font-size:12.5px;color:var(--ink-faint)}.tc-live b{color:var(--ink);font-variant-numeric:tabular-nums}#tc-hint{color:var(--ink-faint)}.tc-row{display:flex;gap:8px}.tc-row .chip-sm{padding:11px 14px}#chip-rail{position:absolute;top:16px;right:16px;z-index:2;display:flex;flex-direction:column;align-items:flex-end;gap:8px}#chip-rail .chip{position:static;top:auto;right:auto}#stage.strip-on #chip-rail{top:calc(var(--strip-h, 0px) + 10px)}#countdown.prep{font-family:system-ui,sans-serif;font-size:clamp(26px,6vw,40px);font-weight:700;letter-spacing:.1em;color:var(--ink);text-shadow:0 0 24px var(--glow-a);animation:prep-pulse 1.1s ease-in-out infinite}@keyframes prep-pulse{50%{opacity:.6}}