:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0c0c0e;--surface: #16161a;--surface2: #1e1e24;--border: rgba(255, 255, 255, .08);--text: #ececf1;--text-dim: rgba(255, 255, 255, .55);--accent: #6366f1;--accent-soft: rgba(99, 102, 241, .15);--skin: #f5c6a5;--skin-dark: #b8856c}*{box-sizing:border-box;margin:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app{min-height:100vh;display:flex;flex-direction:column;padding:1.5rem;max-width:1100px;margin:0 auto}.header{text-align:center;margin-bottom:1.5rem}.header h1{font-size:1.75rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,var(--skin),#e8a88a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:var(--text-dim);font-size:.85rem;margin-top:.25rem}.main-layout{display:flex;gap:1.5rem;flex:1}.canvas-area{flex:1;display:flex;flex-direction:column;align-items:center;gap:.75rem}.ear-canvas{width:100%;max-width:420px;aspect-ratio:1;background:var(--surface);border:1px solid var(--border);border-radius:1rem;cursor:default;-webkit-user-select:none;user-select:none}.control-dot{transition:r .15s}.control-dot:hover{r:7}.canvas-tools{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;justify-content:center}.toggle{display:flex;align-items:center;gap:.35rem;font-size:.8rem;color:var(--text-dim);cursor:pointer;-webkit-user-select:none;user-select:none}.toggle input{accent-color:var(--accent);cursor:pointer}.btn{border:1px solid var(--border);background:var(--surface2);color:var(--text);padding:.4rem .9rem;border-radius:.5rem;font-size:.8rem;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:#ffffff0f;border-color:#ffffff26}.btn-export{background:var(--accent-soft);border-color:#6366f14d;color:#a5b4fc}.btn-export:hover{background:#6366f140}.btn-reset{width:100%;padding:.5rem;color:#f87171;border-color:#f8717133}.btn-reset:hover{background:#f871711a}.controls-panel{width:260px;flex-shrink:0;display:flex;flex-direction:column;gap:1rem}.panel-section{background:var(--surface);border:1px solid var(--border);border-radius:.75rem;padding:1rem}.panel-section h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin-bottom:.75rem}.preset-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.4rem}.btn-preset{font-size:.75rem;padding:.35rem .5rem;text-transform:capitalize}.btn-preset.active{background:var(--accent-soft);border-color:#6366f166;color:#a5b4fc}.slider-group{display:flex;flex-direction:column;gap:.6rem}.slider-group label{display:grid;grid-template-columns:1fr auto;gap:.25rem .5rem;align-items:center;font-size:.8rem}.slider-group label span:first-child{color:var(--text-dim)}.slider-group input[type=range]{grid-column:1 / -1;width:100%;accent-color:var(--accent);height:4px;cursor:pointer}.val{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem;color:var(--accent);text-align:right;min-width:3ch}.skeleton circle{pointer-events:all}@media(max-width:700px){.main-layout{flex-direction:column}.controls-panel{width:100%}.preset-grid{grid-template-columns:repeat(4,1fr)}}