:root{--bg:#14110f;--surface:#221d19;--surface-2:#2e2722;--text:#f5f0ea;--muted:#c9bfb3;--accent:#e0b25b;--accent-text:#1a1408;--danger:#ffb4a8;--warning-bg:#3b2f12;--info-bg:#1d2a33;--radius:14px;--gutter:16px;--safe-bottom:env(safe-area-inset-bottom,0px);--safe-top:env(safe-area-inset-top,0px);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-moz-text-size-adjust:100%;text-size-adjust:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);min-height:100%;margin:0}body{font-size:1.0625rem;overflow-x:hidden}img{max-width:100%;height:auto}a{color:var(--accent)}h1{margin:.25rem 0 .75rem;font-size:1.75rem;line-height:1.2}h2{font-size:1.25rem;line-height:1.3}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}[tabindex="-1"]:focus{outline:none}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.skip-link{z-index:100;background:var(--accent);color:var(--accent-text);border-radius:8px;padding:10px 14px;position:absolute;top:-60px;left:8px}.skip-link:focus{top:8px}.muted{color:var(--muted)}.small{font-size:.9rem}.lead{color:var(--muted);font-size:1.125rem}.eyebrow{color:var(--accent);letter-spacing:.04em;text-transform:uppercase;margin:0;font-size:.85rem;font-weight:600}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.row--between{justify-content:space-between}.stack{gap:10px;display:grid}.btn{background:var(--surface-2);min-height:48px;color:var(--text);font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;border:1px solid #5b5047;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.6;cursor:progress}.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.btn--ghost{background:0 0;border-color:#0000;text-decoration:underline}.btn--large{min-height:56px;font-size:1.15rem}.btn--small{min-height:44px;padding:6px 14px;font-size:.95rem}.btn--block{width:100%;display:flex}.icon-btn{width:48px;height:48px;color:var(--text);cursor:pointer;background:#14110fbf;border:0;border-radius:50%;place-items:center;display:inline-grid}.chip{min-width:44px;min-height:44px;color:var(--muted);font:inherit;background:0 0;border:1px solid #6b5f55;border-radius:10px;font-size:.85rem;font-weight:700}.chip--on{background:var(--text);color:var(--bg)}.topbar{z-index:10;padding:calc(8px + var(--safe-top)) var(--gutter) 8px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#14110feb;border-bottom:1px solid #2f2823;justify-content:space-between;align-items:center;gap:12px;display:flex;position:sticky;top:0}.topbar__museum,.topbar__back{min-height:44px;color:var(--text);font-weight:600;font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;text-decoration:none;display:inline-flex}.topbar__museum img{border-radius:6px}.lang-select{color:var(--muted);align-items:center;gap:6px;display:inline-flex}.lang-select select{background:var(--surface);min-height:44px;color:var(--text);font:inherit;border:1px solid #5b5047;border-radius:10px;padding:0 10px}.page{max-width:640px;padding:20px var(--gutter) 32px;margin:0 auto}.page--center{text-align:center;place-content:center;justify-items:center;gap:16px;min-height:70vh;display:grid}.welcome__image{object-fit:cover;border-radius:var(--radius);background:var(--surface);width:100%;max-height:42vh;margin:8px 0 12px;display:block}.welcome .btn--primary{margin-top:8px}.welcome__secondary{border-top:1px solid #2f2823;gap:18px;margin-top:28px;padding-top:20px;display:grid}.welcome__secondary nav a{align-items:center;min-height:44px;display:inline-flex}.footer{padding:20px var(--gutter) calc(24px + var(--safe-bottom));text-align:center;font-size:.9rem}.footer a{color:var(--muted)}.home__icon{width:72px;height:72px;color:var(--accent)}.prose section h2{margin-top:1.5rem}.preview-banner{z-index:50;color:#fff;text-align:center;padding:6px var(--gutter);background:#7a1f1f;font-size:.9rem;font-weight:700;position:sticky;top:0}.notice{border-radius:var(--radius);background:var(--info-bg);margin:12px 0;padding:12px 14px}.notice h2{margin:0 0 6px;font-size:1.05rem}.notice p{margin:0 0 10px}.notice--warning{background:var(--warning-bg)}.notice--floating{z-index:6;left:var(--gutter);right:var(--gutter);top:calc(72px + var(--safe-top));background:#1d2a33f2;margin:0;position:absolute}.badge{color:#e3f5e5;vertical-align:middle;background:#36513a;border-radius:999px;margin-left:8px;padding:2px 8px;font-size:.8rem;font-weight:600}.plan__list{gap:10px;margin:16px 0 24px;padding:0;list-style:none;display:grid}.plan__item{border-radius:var(--radius);background:var(--surface);min-height:76px;color:var(--text);grid-template-columns:32px 56px 1fr;align-items:center;gap:12px;padding:10px;text-decoration:none;display:grid}.plan__number{color:var(--accent);text-align:center;font-size:1.2rem;font-weight:800}.plan__thumb{object-fit:cover;background:var(--surface-2);border-radius:10px;width:56px;height:56px}.plan__thumb--icon{color:var(--muted);padding:14px}.plan__title{font-weight:600}.offline{gap:8px;margin-top:12px;display:grid}.offline progress{width:100%;height:10px;accent-color:var(--accent)}.offline__done{color:#bfe8c4;align-items:center;gap:8px;margin:0;display:flex}.stage{background:#000;position:fixed;inset:0;overflow:hidden}.stage__view{position:absolute;inset:0}.ar-container{position:absolute;inset:0;overflow:hidden}.ar-video{z-index:0;position:absolute}.ar-video--cover{object-fit:cover;width:100%;height:100%;inset:0}.ar-canvas{z-index:1;position:absolute;inset:0;width:100%!important;height:100%!important}.stage__bar{z-index:5;top:calc(10px + var(--safe-top));justify-content:space-between;align-items:flex-start;gap:8px;display:flex;position:absolute;left:10px;right:10px}.stage__actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.stage__actions .btn{background:#14110fcc}.stage__footer{z-index:5;padding:10px var(--gutter) calc(10px + var(--safe-bottom));background:linear-gradient(#0a080700,#0a0807eb 40%);justify-items:center;gap:4px;display:grid;position:absolute;bottom:0;left:0;right:0}.overlay{z-index:4;pointer-events:none;position:absolute;inset:0}.overlay--center{text-align:center;padding:var(--gutter);pointer-events:auto;color:var(--text);background:#0a08078c;place-content:center;justify-items:center;gap:12px;display:grid}.overlay--modal{z-index:6;padding-top:calc(var(--gutter) + var(--safe-top));padding-bottom:calc(var(--gutter) + var(--safe-bottom));place-content:safe center;overflow-y:auto}.card{border-radius:var(--radius);background:var(--surface);text-align:left;max-width:420px;padding:20px}.card h2{margin-top:0}.card__image{border-radius:8px;max-height:140px;margin:0 auto 14px;display:block}.scan{text-align:center;padding:var(--gutter);text-shadow:0 1px 3px #000;place-content:center;justify-items:center;display:grid}.scan__frame{aspect-ratio:4/3;border:3px solid #ffffffd9;border-radius:18px;place-items:center;width:min(70vw,340px);display:grid;box-shadow:0 0 0 100vmax #00000040}.scan__frame img{opacity:.55;border-radius:6px;max-width:45%;max-height:45%}.scan__title{margin:18px 0 4px;font-size:1.25rem;font-weight:700}.scan__hint{max-width:32ch;margin:0}.toast{z-index:6;left:var(--gutter);right:var(--gutter);top:calc(72px + var(--safe-top));border-radius:var(--radius);background:#221d19f2;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex;position:absolute}.chip-note{background:#14110fcc;border-radius:12px;margin:0;padding:8px 12px;font-size:.9rem;display:inline-block}.chip-note--top{z-index:5;top:calc(72px + var(--safe-top));white-space:nowrap;position:absolute;left:50%;transform:translate(-50%)}.fps,.debug{z-index:7;left:10px;top:calc(70px + var(--safe-top));background:#000000b3;border-radius:8px;padding:6px 10px;font:600 .8rem/1.4 ui-monospace,monospace;position:absolute}.debug{gap:4px;display:grid}.debug .fps{padding:0;position:static}.fps--low{color:var(--danger)}.calibrate{font:inherit;cursor:crosshair;border:0}.calibrate__reticle{border:3px solid #fff;border-radius:50%;width:56px;height:56px;position:relative;box-shadow:0 0 0 2px #00000080}.calibrate__reticle:after{content:"";background:#fff;border-radius:50%;position:absolute;inset:24px}.calibrate__image{border-radius:8px;max-width:160px}.calibrate__text{text-shadow:0 1px 3px #000;max-width:30ch;font-size:1.15rem;font-weight:700}.direction{z-index:5;color:#fff;text-shadow:0 1px 3px #000;pointer-events:none;justify-items:center;gap:6px;display:grid;position:absolute;top:40%;left:50%;transform:translate(-50%,-50%)}.stage__view--model{background:radial-gradient(circle at 50% 35%,#3a322b,#14110f 70%)}.model-viewer{--poster-color:transparent;width:100%;height:100%;position:absolute;inset:0}.ar-button{position:absolute;bottom:230px;left:50%;transform:translate(-50%)}.model-hints{z-index:5;top:calc(70px + var(--safe-top));left:var(--gutter);right:var(--gutter);pointer-events:none;justify-items:center;gap:8px;display:grid;position:absolute}.model-hints .notice{pointer-events:auto}.stage__view--info{background:var(--bg);overflow-y:auto}.info{max-width:640px;padding:calc(76px + var(--safe-top)) var(--gutter) 240px;margin:0 auto}.info__image{border-radius:var(--radius)}.info__body{white-space:pre-line}.player{width:100%;max-width:640px}.player__subtitle{color:#fff;text-align:center;white-space:pre-line;background:#000000c7;border-radius:8px;max-width:36ch;margin:0 auto 10px;padding:6px 10px;font-size:1.1rem;font-weight:500}.player__controls{align-items:center;gap:10px;display:flex}.player__toggle{background:var(--accent);width:56px;height:56px;color:var(--accent-text);cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.player__range{min-width:0;height:44px;accent-color:var(--accent);flex:1}.player__time{font-variant-numeric:tabular-nums;color:var(--muted);flex:none;font-size:.85rem}.player__transcript summary{cursor:pointer;min-height:44px;color:var(--muted);align-items:center;display:flex}.transcript{max-height:30vh;padding:4px 0 8px;overflow-y:auto}.transcript p{margin:0 0 8px}.transcript__current{color:var(--accent)}.sheet{width:100%;max-width:640px;max-height:85vh;padding:8px var(--gutter) calc(20px + var(--safe-bottom));background:var(--surface);color:var(--text);border:0;border-radius:20px 20px 0 0;margin:auto auto 0;overflow-y:auto}.sheet:not([open]){display:none}.sheet::backdrop{background:#0009}.sheet__handle{background:#5b5047;border-radius:3px;width:44px;height:5px;margin:4px auto 12px}.sheet__title{margin-top:0}.sheet__body{white-space:pre-line}.sheet__actions{gap:10px;margin-top:20px;display:grid}.credits{border-top:1px solid #3d342d;margin-top:16px;padding-top:12px}.credits h3{color:var(--muted);margin:0 0 4px;font-size:.95rem}.spinner{border:4px solid #fff3;border-top-color:var(--accent);border-radius:50%;width:44px;height:44px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:3s}*{scroll-behavior:auto!important}}@media (min-width:700px){h1{font-size:2.1rem}}