:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0d0f14;--fg:#f2f4f8;--accent:#ffd34d}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--fg);-webkit-text-size-adjust:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.home{text-align:center;place-items:center;padding:24px;display:grid}.home main{width:min(420px,100%)}.home h1{margin:0 0 12px;font-size:clamp(2rem,8vw,3rem)}.home p{opacity:.8;max-width:34ch;margin:0 auto 24px;line-height:1.5}.home .hint{opacity:.5;margin-top:32px;font-size:.85rem}.cta{background:var(--accent);color:#111;border-radius:999px;padding:16px 32px;font-weight:700;text-decoration:none;transition:opacity .3s;display:inline-block}.cta[aria-disabled=true]{opacity:.45;cursor:progress}#progress{background:#ffffff26;border-radius:999px;width:min(260px,70vw);height:4px;margin:16px auto 0;transition:opacity .4s;overflow:hidden}#progress.done{opacity:0}#progress-bar{background:var(--accent);transform-origin:0;height:100%;transition:transform .2s;transform:scaleX(0)}body.ar{overflow:hidden}#ui{padding:16px calc(16px + env(safe-area-inset-left)) calc(24px + env(safe-area-inset-bottom));pointer-events:none;z-index:10;flex-direction:column;align-items:center;gap:12px;display:flex;position:fixed;inset:auto 0 0}#status{pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:center;background:#0000008c;border-radius:999px;padding:10px 18px;font-size:.9rem}#back{pointer-events:auto;top:calc(12px + env(safe-area-inset-top));left:calc(12px + env(safe-area-inset-left));z-index:10;width:44px;height:44px;color:var(--fg);background:#0000008c;border-radius:50%;place-items:center;font-size:1.2rem;text-decoration:none;display:grid;position:fixed}#loader{z-index:20;text-align:center;background:var(--bg);place-content:center;justify-items:center;gap:20px;padding:32px;transition:opacity .4s;display:grid;position:fixed;inset:0}#loader.hidden{opacity:0;pointer-events:none}#loader .spinner{border:3px solid #ffffff26;border-top-color:var(--accent);border-radius:50%;width:40px;height:40px;animation:.9s linear infinite spin}#loader.failed .spinner{display:none}#loader-text{opacity:.8;max-width:32ch;margin:0;line-height:1.5}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){#loader .spinner{animation-duration:3s}}#tutorial{width:100%;color:var(--fg);text-align:left;border:1px solid #ffffff24;border-radius:14px;align-items:center;gap:12px;margin:22px auto 0;padding:13px 16px;text-decoration:none;transition:border-color .2s,background .2s;display:flex}#tutorial:hover{background:#ffd34d12;border-color:#ffd34d80}#tutorial svg{width:22px;height:22px;color:var(--accent);flex:none}#tutorial span{flex-direction:column;gap:2px;min-width:0;display:flex}#tutorial b{font-size:.92rem;font-weight:600}#tutorial em{opacity:.55;font-size:.76rem;font-style:normal}#preview{width:100%;margin:28px auto 0}#viewer{aspect-ratio:4/5;background:linear-gradient(#1b2027 0%,#12151a 100%);border-radius:20px;width:100%;max-height:46vh;position:relative;overflow:hidden}#viewer a-scene,#viewer a-scene .a-canvas{width:100%!important;height:100%!important;position:absolute!important;inset:0!important}#anim-picker{opacity:0;justify-content:center;align-items:center;gap:8px;margin-top:14px;transition:opacity .4s;display:flex}#anim-picker.ready{opacity:1}#anim-picker button{width:40px;height:40px;color:var(--fg);cursor:pointer;background:#ffffff14;border:0;border-radius:50%;flex:none;place-items:center;font-size:1.4rem;line-height:1;display:grid}#anim-picker button:hover{background:#ffffff29}#anim-current{flex:1;min-width:0}#anim-name{opacity:1;margin:0;font-size:.95rem;font-weight:600}#anim-dots{justify-content:center;gap:6px;margin-top:6px;display:flex}#anim-dots button{background:#ffffff38;border-radius:50%;width:7px;height:7px;padding:0;transition:background .2s,transform .2s}#anim-dots button.active{background:var(--accent);transform:scale(1.25)}@media (prefers-reduced-motion:reduce){#anim-picker,#anim-dots button{transition:none}}