*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}:root{--bg: #0a0a0f;--surface: #12121a;--surface-raised: #1a1a28;--border: rgba(255, 255, 255, .06);--border-bright: rgba(255, 255, 255, .12);--text: #e8e8f0;--text-dim: #6b6b80;--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .3);--green: #22c55e;--orange: #f59e0b;--pink: #ec4899;--cyan: #06b6d4}html{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased}body{min-height:100dvh;background:var(--bg)}#app{max-width:520px;margin:0 auto;padding:48px 20px 80px}.header{text-align:center;margin-bottom:56px}.header h1{font-size:32px;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,#fff,#6366f1,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.header p{font-size:14px;color:var(--text-dim);font-weight:400}.header .badge{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:4px 12px;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:100px;font-size:11px;font-family:JetBrains Mono,monospace;color:var(--accent);letter-spacing:.02em}.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.demo-section{margin-bottom:40px}.demo-label{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin-bottom:12px}.demo-label .num{font-family:JetBrains Mono,monospace;font-size:10px;padding:2px 6px;background:var(--surface-raised);border-radius:4px;color:var(--accent)}.demo-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px 24px;position:relative;overflow:hidden}.demo-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(99,102,241,.3),transparent)}.demo-title{font-size:18px;font-weight:600;letter-spacing:-.02em;margin-bottom:4px}.demo-desc{font-size:13px;color:var(--text-dim);margin-bottom:24px;line-height:1.5}.slider-container{position:relative;padding:20px 0}.slider-track{position:relative;height:48px;background:var(--surface-raised);border-radius:12px;border:1px solid var(--border);display:flex;align-items:center;cursor:pointer;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none}.slider-notches{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 24px;pointer-events:none}.slider-notch{width:2px;height:16px;background:#ffffff14;border-radius:1px;transition:background .15s,height .15s,box-shadow .15s}.slider-notch.major{height:24px;background:#ffffff1f}.slider-notch.active{background:var(--accent);box-shadow:0 0 8px var(--accent-glow)}.slider-fill{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#6366f126,#6366f10d);border-radius:12px;pointer-events:none;transition:width .05s}.slider-thumb{position:absolute;width:28px;height:36px;background:linear-gradient(135deg,#fff,#c7c7d4);border-radius:8px;box-shadow:0 2px 12px #0006,0 0 0 1px #ffffff1a;cursor:grab;z-index:2;transition:transform .1s;display:flex;align-items:center;justify-content:center}.slider-thumb:after{content:"";width:3px;height:14px;background:#00000026;border-radius:2px}.slider-thumb:active{cursor:grabbing;transform:scale(1.05)}.slider-value{text-align:center;margin-top:12px;font-family:JetBrains Mono,monospace;font-size:28px;font-weight:600;letter-spacing:-.02em;color:var(--text)}.slider-value span{font-size:14px;color:var(--text-dim);font-weight:400}.grid-area{position:relative;aspect-ratio:1;background:var(--surface-raised);border-radius:12px;border:1px solid var(--border);overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none}.grid-lines{position:absolute;inset:0;pointer-events:none}.grid-line-h,.grid-line-v{position:absolute;background:#ffffff08}.grid-line-h{left:0;right:0;height:1px}.grid-line-v{top:0;bottom:0;width:1px}.grid-dot{position:absolute;width:3px;height:3px;background:#ffffff14;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}.grid-dot.highlight{background:var(--accent);box-shadow:0 0 6px var(--accent-glow);width:5px;height:5px}.grid-object{position:absolute;width:60px;height:60px;border-radius:14px;cursor:grab;display:flex;align-items:center;justify-content:center;font-size:22px;transition:box-shadow .15s;-webkit-user-select:none;user-select:none;touch-action:none;z-index:5}.grid-object:active{cursor:grabbing}.grid-object.obj-1{background:linear-gradient(135deg,#6366f1,#8b5cf6);box-shadow:0 4px 20px #6366f14d}.grid-object.obj-2{background:linear-gradient(135deg,#ec4899,#f43f5e);box-shadow:0 4px 20px #ec48994d}.grid-object.obj-3{background:linear-gradient(135deg,#06b6d4,#0ea5e9);box-shadow:0 4px 20px #06b6d44d}.grid-object.dragging{z-index:10;transform:scale(1.08)}.grid-object.snapping{transition:left .12s cubic-bezier(.34,1.56,.64,1),top .12s cubic-bezier(.34,1.56,.64,1)}.grid-coords{position:absolute;bottom:8px;right:10px;font-family:JetBrains Mono,monospace;font-size:10px;color:var(--text-dim);opacity:.6}.bump-area{position:relative;height:200px;background:var(--surface-raised);border-radius:12px;border:1px solid var(--border);overflow:hidden;cursor:crosshair;touch-action:none;user-select:none;-webkit-user-select:none}.bump-dot{position:absolute;border-radius:50%;pointer-events:none;transition:background .1s,box-shadow .1s}.bump-dot.hit{background:var(--accent)!important;box-shadow:0 0 12px var(--accent-glow)}.bump-cursor{position:absolute;width:32px;height:32px;border:2px solid rgba(255,255,255,.5);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%);z-index:10;transition:border-color .1s}.bump-cursor.touching{border-color:var(--accent);box-shadow:0 0 16px var(--accent-glow)}.bump-trail{position:absolute;width:8px;height:8px;background:#6366f14d;border-radius:50%;pointer-events:none;transform:translate(-50%,-50%);animation:trail-fade .6s ease-out forwards}@keyframes trail-fade{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.3)}}.dial-container{display:flex;flex-direction:column;align-items:center;gap:16px}.dial-wrapper{position:relative;width:200px;height:200px}.dial{width:200px;height:200px;border-radius:50%;background:conic-gradient(from 0deg,var(--surface-raised),var(--surface),var(--surface-raised));border:2px solid var(--border);position:relative;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}.dial:active{cursor:grabbing}.dial-ticks{position:absolute;inset:0;pointer-events:none}.dial-tick{position:absolute;width:2px;background:#ffffff14;border-radius:1px;left:50%;transform-origin:bottom center}.dial-tick.major{background:#ffffff26}.dial-tick.active{background:var(--orange);box-shadow:0 0 6px #f59e0b66}.dial-indicator{position:absolute;top:16px;left:50%;transform:translate(-50%);width:4px;height:20px;background:var(--orange);border-radius:2px;box-shadow:0 0 8px #f59e0b80;pointer-events:none}.dial-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2a2a3d,#1a1a28);border:1px solid var(--border-bright);pointer-events:none}.dial-value{font-family:JetBrains Mono,monospace;font-size:36px;font-weight:600;color:var(--orange)}.dial-value span{font-size:14px;color:var(--text-dim);font-weight:400}.piano-container{position:relative;touch-action:none}.piano-keys{display:flex;gap:2px;height:160px;position:relative;user-select:none;-webkit-user-select:none;touch-action:none}.piano-key{flex:1;background:linear-gradient(180deg,#f0f0f5,#d8d8e0);border-radius:0 0 8px 8px;position:relative;cursor:pointer;transition:background .05s;border:1px solid rgba(0,0,0,.1)}.piano-key.active{background:linear-gradient(180deg,#c8c8d5,#b8b8c5)}.piano-key.black{background:linear-gradient(180deg,#2a2a35,#1a1a22);height:100px;position:absolute;width:calc(100% / 14 - 1px);z-index:2;border-radius:0 0 6px 6px;border:1px solid rgba(0,0,0,.3)}.piano-key.black.active{background:linear-gradient(180deg,#3a3a4a,#2a2a38)}.piano-key-label{position:absolute;bottom:8px;left:50%;transform:translate(-50%);font-size:9px;font-family:JetBrains Mono,monospace;color:#00000040;pointer-events:none}.piano-note-display{text-align:center;margin-top:16px;font-family:JetBrains Mono,monospace;font-size:20px;font-weight:500;color:var(--pink);height:28px}.ios-notice{text-align:center;margin-top:40px;padding:16px;background:#f59e0b0d;border:1px solid rgba(245,158,11,.15);border-radius:12px;font-size:12px;color:var(--text-dim);line-height:1.5}.ios-notice strong{color:var(--orange);font-weight:600}.vibe-indicator{position:fixed;top:16px;right:16px;padding:6px 12px;background:#6366f126;border:1px solid rgba(99,102,241,.3);border-radius:100px;font-size:11px;font-family:JetBrains Mono,monospace;color:var(--accent);opacity:0;transition:opacity .15s;z-index:100;pointer-events:none}.vibe-indicator.active{opacity:1}