:root{--bg:#efe8f7;--ink:#3b2f4f;--ink-soft:#6f6382;--chip:#ffffffb8;--chip-border:#3b2f4f1f;--accent:#e0a92c;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);overscroll-behavior:none;height:100%;margin:0;overflow:hidden}body{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}#app{position:fixed;inset:0}#app canvas{touch-action:none;width:100%;height:100%;display:block}.hud{padding:0 max(16px, env(safe-area-inset-left)) 0 max(16px, env(safe-area-inset-right));pointer-events:none;align-items:center;gap:8px;display:flex;position:fixed;left:0;right:0}.hud>*{pointer-events:auto}.hud-top{top:max(14px, env(safe-area-inset-top));justify-content:space-between}.hud-bottom{bottom:max(16px, env(safe-area-inset-bottom));right:var(--panel-right,0px);justify-content:center;transition:right .3s}.title{flex-direction:column;line-height:1.2;display:flex}.title strong{letter-spacing:.01em;font-size:17px}.title span,.meter{color:var(--ink-soft);font-size:13px}.meter{background:var(--chip);border:1px solid var(--chip-border);font-variant-numeric:tabular-nums;border-radius:999px;padding:6px 12px}button{font:inherit;color:inherit;cursor:pointer}.hud-bottom>button{border:1px solid var(--chip-border);background:var(--chip);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:999px;min-height:44px;padding:0 16px;font-size:15px;box-shadow:0 1px 2px #3b2f4f14}.hud-bottom>button.icon{place-items:center;width:44px;padding:0;display:grid}#btn-design{align-items:center;gap:7px;display:inline-flex}#btn-design[aria-expanded=true]{background:var(--ink);border-color:var(--ink);color:#fff}#btn-sound .mute,#btn-sound[aria-pressed=false] .wave{display:none}#btn-sound[aria-pressed=false] .mute{display:inline}.hud-bottom>button:active,.stepper button:active{transform:translateY(1px)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hint{left:calc((100% - var(--panel-right,0px)) / 2);bottom:calc(max(16px, env(safe-area-inset-bottom)) + 58px);width:max-content;max-width:calc(100% - var(--panel-right,0px) - 32px);color:#fff;text-align:center;pointer-events:none;background:#3b2f4fc7;border-radius:12px;margin:0;padding:8px 14px;font-size:14px;transition:opacity .6s,left .3s;position:fixed;transform:translate(-50%)}.hint.is-hidden{opacity:0}.backend{right:calc(var(--panel-right,0px) + max(16px, env(safe-area-inset-right)));top:calc(max(14px, env(safe-area-inset-top)) + 40px);color:var(--ink-soft);pointer-events:none;font-variant-numeric:tabular-nums;white-space:pre;text-align:right;font-size:11px;position:fixed}.design{top:calc(max(14px, env(safe-area-inset-top)) + 58px);right:max(16px, env(safe-area-inset-right));width:336px;max-height:calc(100% - max(14px, env(safe-area-inset-top)) - 58px - max(16px, env(safe-area-inset-bottom)));border:1px solid var(--chip-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);visibility:hidden;background:#ffffffe6;border-radius:18px;flex-direction:column;transition:transform .3s,visibility 0s linear .3s;display:flex;position:fixed;transform:translate(calc(100% + 40px));box-shadow:0 8px 30px #3b2f4f24}.design.is-open{visibility:visible;transition:transform .3s;transform:none}.design:focus{outline:none}.design-head{justify-content:space-between;align-items:center;padding:12px 10px 4px 20px;display:flex}.design-head h2{margin:0;font-size:17px}.design-head .close{width:40px;height:40px;color:var(--ink-soft);background:0 0;border:0;border-radius:999px;place-items:center;display:grid}.design-head .close:hover{background:#3b2f4f0f}.design-body{overscroll-behavior:contain;padding:0 20px 18px;overflow-y:auto}.group{border-top:1px solid var(--chip-border);padding:14px 0}.group:first-child{border-top:0;padding-top:6px}.group h3{color:var(--ink-soft);margin:0 0 10px;font-size:13px;font-weight:600}.field+.field,.note+.field{margin-top:14px}.field-head{justify-content:space-between;align-items:baseline;margin-bottom:6px;font-size:14px;display:flex}.field-head output,.field-value{color:var(--ink-soft);font-variant-numeric:tabular-nums;font-size:13px}.field-row{justify-content:space-between;align-items:center;font-size:14px;display:flex}.note{color:var(--ink-soft);margin:8px 0 0;font-size:12px}.ends{color:var(--ink-soft);justify-content:space-between;font-size:12px;display:flex}.design input[type=range]{width:100%;height:28px;accent-color:var(--ink);margin:0;display:block}.chips{flex-wrap:wrap;gap:8px;display:flex}.swatches{gap:8px;display:flex}.chip{border:1px solid var(--chip-border);cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:8px;min-height:40px;padding:0 14px;font-size:14px;display:inline-flex;position:relative}.chip svg{opacity:.75}.chip:has(input:checked){background:var(--ink);border-color:var(--ink);color:#fff}.dot{background:var(--core);width:18px;height:18px;box-shadow:inset 0 0 0 3.5px var(--wax), 0 0 0 1px #3b2f4f2e;border-radius:50%;flex:none}.swatch{aspect-ratio:1;background:var(--swatch);cursor:pointer;border-radius:50%;flex:0 36px;min-width:0;position:relative;box-shadow:inset 0 0 0 1px #3b2f4f33}.swatch:has(input:checked){box-shadow:inset 0 0 0 1px #3b2f4f33, 0 0 0 2px #fff, 0 0 0 4px var(--ink)}.chip input,.swatch input{opacity:0;pointer-events:none;width:1px;height:1px;margin:0;position:absolute}.design input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.chip:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.swatch:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.stepper{border:1px solid var(--chip-border);background:#fff;border-radius:999px;align-items:center;gap:2px;min-height:40px;padding:0 3px;display:flex}.stepper button{background:0 0;border:0;border-radius:999px;width:36px;height:36px;font-size:20px;line-height:1}.stepper button:disabled{opacity:.35;cursor:default}.stepper span{text-align:center;font-variant-numeric:tabular-nums;min-width:52px}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (pointer:coarse){.chip,.stepper{min-height:44px}.stepper button{width:40px;height:40px}.swatch{flex-basis:40px}}@media (width<=720px){.design{width:auto;max-height:56%;padding-bottom:env(safe-area-inset-bottom);background:#fffffff7;border-width:1px 0 0;border-radius:18px 18px 0 0;inset:auto 0 0;transform:translateY(calc(100% + 30px));box-shadow:0 -6px 26px #3b2f4f24}.design-open .hud-bottom,.design-open .hint{visibility:hidden}.design-head{padding:10px 8px 2px 16px}.design-body{padding:0 16px 16px}}@media (prefers-reduced-motion:reduce){.design,.design.is-open,.hud-bottom,.hint{transition:none}}.start{background:#efe8f78c;place-items:center;padding:16px;transition:opacity .35s;display:grid;position:fixed;inset:0}.start.is-hidden{opacity:0;pointer-events:none}.start-card{border:1px solid var(--chip-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);text-align:center;background:#ffffffdb;border-radius:18px;max-width:340px;padding:22px 22px 18px;box-shadow:0 8px 30px #3b2f4f1f}.start-card h1{margin:0 0 8px;font-size:20px}.start-card p{color:var(--ink-soft);margin:0 0 16px;font-size:15px;line-height:1.45}#btn-start{background:var(--ink);color:#fff;border:0;border-radius:999px;min-height:46px;padding:0 28px;font-size:16px;font-weight:600}.error{color:#7a2323;background:#fff;border:1px solid #e3b4b4;border-radius:12px;padding:14px 16px;font-size:14px;position:fixed;inset:auto 16px 50%}@media (width<=420px){.hud-bottom>button{padding:0 12px;font-size:14px}.hint{font-size:13px}}