:root{--bg:#03050c;--text:#e8eefc;--muted:#8fa3c4;--line:#8caadc2e;--panel:#0a101ea8;--accent:#6ea8ff;--accent-soft:#6ea8ff2e}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}body:after{content:"";pointer-events:none;z-index:1;background:radial-gradient(circle at 50% 45%,#0000 45%,#0000008c 100%);position:fixed;inset:0}#scene{cursor:grab;touch-action:none;width:100%;height:100%;display:block;position:fixed;inset:0}#scene:active{cursor:grabbing}.panel{background:var(--panel);border:1px solid var(--line);-webkit-backdrop-filter:blur(16px);border-radius:18px;box-shadow:0 24px 60px #00000080,inset 0 1px #ffffff0d}.hud{z-index:5;width:272px;padding:18px;animation:.7s both rise;position:fixed;top:22px;left:22px}.hud-head h1{letter-spacing:.01em;background:linear-gradient(100deg,#fff,#9dc4ff 70%);color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:20px;font-weight:650}.hud-head p{color:var(--muted);margin:4px 0 16px;font-size:12px}.field-head{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12.5px;display:flex}.field-head output{font-variant-numeric:tabular-nums;color:var(--text);font-weight:600}input[type=range]{appearance:none;background:linear-gradient(90deg, var(--accent), #6ea8ff26);cursor:pointer;border-radius:99px;outline:none;width:100%;height:4px;margin:0}input[type=range]::-webkit-slider-thumb{appearance:none;border:2px solid var(--accent);background:#fff;border-radius:50%;width:14px;height:14px;box-shadow:0 0 12px #6ea8ffcc}input[type=range]::-moz-range-thumb{border:2px solid var(--accent);background:#fff;border-radius:50%;width:12px;height:12px}.actions{grid-template-columns:1fr 1fr;gap:8px;margin:16px 0 14px;display:grid}button{font:inherit;color:var(--text);border:1px solid var(--line);cursor:pointer;background:#ffffff0a;border-radius:10px;padding:9px 10px;font-size:12.5px;font-weight:550;transition:background .2s,border-color .2s,transform .15s}button:hover{background:#ffffff17;border-color:#a0bef059}button:active{transform:translateY(1px)}button.primary{color:#08101f;background:linear-gradient(160deg,#6ea8ffe6,#466ec8e6);border-color:#96c3ff99;font-weight:650}button.primary:hover{background:linear-gradient(160deg,#8dbcff,#5b8ae0)}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.toggles{border-top:1px solid var(--line);flex-direction:column;gap:8px;padding-top:12px;display:flex}.check{color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:12.5px;display:flex}.check input{width:14px;height:14px;accent-color:var(--accent);cursor:pointer}.info{z-index:5;width:300px;padding:18px;transition:opacity .28s,transform .28s;position:fixed;bottom:22px;right:22px}.info.hidden{opacity:0;pointer-events:none;transform:translateY(14px)}.info .close{width:28px;height:28px;color:var(--muted);background:0 0;border-color:#0000;border-radius:50%;padding:0;font-size:17px;line-height:1;position:absolute;top:10px;right:10px}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 4px;font-size:10.5px}.info h2{margin:0 0 12px;font-size:21px;font-weight:650}.info dl{border-top:1px solid var(--line);border-bottom:1px solid var(--line);flex-direction:column;gap:7px;margin:0;padding:12px 0;display:flex}.info dl>div{justify-content:space-between;align-items:baseline;gap:12px;font-size:12.5px;display:flex}.info dt{color:var(--muted)}.info dd{text-align:right;font-variant-numeric:tabular-nums;margin:0;font-weight:600}.fact{color:#b9c8e2;margin:12px 0 0;font-size:12.5px;line-height:1.55}.hint{z-index:4;color:var(--muted);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);white-space:nowrap;background:#060a1480;border:1px solid #8caadc1f;border-radius:99px;margin:0;padding:8px 16px;font-size:11.5px;transition:opacity .6s;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.hint.dim{opacity:0}.hint-narrow{display:none}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (width<=700px){.hud{border-radius:14px;width:auto;padding:13px 14px;top:12px;left:12px;right:12px}.hud-head h1{font-size:17px}.hud-head p{display:none}.field-head{margin-bottom:6px;font-size:12px}.actions{margin:12px 0 10px}button{padding:8px 10px}.toggles{flex-flow:wrap;gap:6px 18px;padding-top:10px}.info{border-radius:14px;width:auto;bottom:12px;left:12px;right:12px}.hint{max-width:calc(100vw - 24px);padding:7px 12px;font-size:10.5px;bottom:14px}.hint-wide{display:none}.hint-narrow{display:inline}}@media (prefers-reduced-motion:reduce){.hud,.info{animation:none}}