.frosted-hero{position:relative;width:100%;height:var(--mask-height, 130px);overflow:visible;background:#0a0a0f00;border-radius:18px;isolation:isolate;filter:blur(14px);opacity:0;transition:filter .6s ease-out .35s,opacity .3s ease-out .2s}.frosted-hero.is-visible{filter:blur(0);opacity:1}.frosted-hero__layers{position:absolute;width:100%;height:var(--hero-height, 300px);top:50%;left:0;transform:translateY(-50%);pointer-events:none}.frosted-hero__background{display:none}.frosted-hero__blur-layer{position:absolute;inset:0;z-index:3;-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center}.frosted-hero__blur-layer--stroke{position:absolute;z-index:1;-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;-webkit-mask-mode:alpha;mask-mode:alpha;inset:-3px}.frosted-hero__blur-layer--fill:before{content:"";position:absolute;inset:-30px;background-image:var(--bg);background-size:130% 220%;filter:blur(40px) saturate(1.4) brightness(2.4) contrast(1.3);transform-origin:center;will-change:transform,background-position;animation:none}.frosted-hero__blur-layer--stroke:before{content:"";position:absolute;inset:-30px;background-image:var(--bg);background-size:130% 220%;filter:blur(40px) saturate(.5) brightness(2.8) contrast(1.4);transform-origin:center;will-change:transform,background-position;animation:none}.frosted-hero--anim-rotate .frosted-hero__blur-layer:before{animation:frosted-pan 40s ease-in-out infinite alternate-reverse,frosted-rotate 30s ease-in-out 0s infinite reverse}.frosted-hero--anim-rotate .frosted-hero__blur-layer--stroke:before{animation:frosted-pan 40s ease-in-out .3s infinite alternate-reverse,frosted-rotate 30s ease-in-out 0s infinite reverse}.frosted-hero--anim-pan .frosted-hero__blur-layer:before{animation:frosted-pan 1s ease-in-out 0s infinite reverse,frosted-rotate-slow 4s linear 0s infinite}.frosted-hero--anim-pan .frosted-hero__blur-layer--stroke:before{animation:frosted-pan 0s ease-in-out .6s infinite reverse,frosted-rotate-slow 14s linear .15s infinite}.frosted-hero--anim-random .frosted-hero__blur-layer:before{animation:frosted-pan 3.6s cubic-bezier(.2,.8,.3,.9) 0s infinite,frosted-rotate-slow 22s linear 0s infinite,frosted-jitter 6s steps(6,end) 0s infinite}.frosted-hero--anim-random .frosted-hero__blur-layer--stroke:before{animation:frosted-pan 3.6s cubic-bezier(.2,.8,.3,.9) .12s infinite,frosted-rotate-slow 22s linear .12s infinite,frosted-jitter 6s steps(6,end) .12s infinite}.frosted-hero--anim-off .frosted-hero__blur-layer:before{animation:none}.frosted-hero--anim-off .frosted-hero__blur-layer--stroke:before{animation:none}.frosted-hero__glass-tint{position:absolute;inset:0;background:#ffffff14;z-index:3;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center}.frosted-hero__stroke-svg{position:absolute;inset:20px;width:100%;height:100%;z-index:4;pointer-events:none}.frosted-hero__text-stroke{fill:none;stroke:#ffffff40;stroke-width:1;font-family:Inter,Segoe UI,system-ui,sans-serif}@keyframes frosted-pan{0%{background-position:10% 10%}to{background-position:500% 200%}}@keyframes frosted-rotate{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.02)}to{transform:rotate(360deg) scale(1)}}@keyframes frosted-rotate-slow{0%{transform:rotate(-4deg) scale(1)}50%{transform:rotate(4deg) scale(1.015)}to{transform:rotate(-4deg) scale(1)}}@keyframes frosted-jitter{0%{transform:translate(0) rotate(0)}25%{transform:translate(-4px,2px) rotate(-.6deg)}50%{transform:translate(3px,-3px) rotate(.8deg)}75%{transform:translate(-2px,4px) rotate(-.4deg)}to{transform:translate(0) rotate(0)}}.demo-landing{position:fixed;inset:0;z-index:1000;background:#0c0d10;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:24px;display:flex;flex-direction:column;align-items:center}.demo-landing__header{text-align:center;margin-bottom:32px;max-width:600px}.demo-landing__back{background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:#ffffffb3;padding:8px 18px;border-radius:10px;font-size:13px;cursor:pointer;transition:all .2s ease;margin-bottom:20px}.demo-landing__back:hover{background:#ffffff1f;color:#fff}.demo-landing__title{font-family:Inter,system-ui,-apple-system,sans-serif;font-size:28px;font-weight:700;color:#fff;margin:0 0 8px;letter-spacing:-.5px}.demo-landing__subtitle{font-size:14px;color:#ffffff73;margin:0}.demo-landing__loading{display:flex;flex-direction:column;align-items:center;gap:16px;padding:60px 0;color:#ffffff80;font-size:14px}.demo-landing__spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.1);border-top-color:#64b4ffcc;border-radius:50%;animation:demo-spin .8s linear infinite}@keyframes demo-spin{to{transform:rotate(360deg)}}body.demo-mode-active .panel-toggle,body.demo-mode-active .bottom-controls,body.demo-mode-active .m4vgs-controls{display:none!important}.demo-landing__error,.demo-landing__empty{text-align:center;padding:60px 20px;color:#ffffff80;font-size:14px}.demo-landing__empty-hint{font-size:12px;opacity:.5;margin-top:8px}.demo-landing__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;width:100%;max-width:900px}.demo-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .25s ease;display:flex;flex-direction:column;padding:0;text-align:left;color:#fff;font-family:inherit}.demo-card:hover{background:#ffffff14;border-color:#64b4ff4d;transform:translateY(-2px);box-shadow:0 8px 24px #0006}.demo-card__thumb{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:#ffffff08;display:flex;align-items:center;justify-content:center}.demo-card__thumb--placeholder{background:linear-gradient(135deg,#64b4ff14,#c864ff14);font-size:32px;font-weight:800;color:#ffffff26;letter-spacing:2px}.demo-card__name{padding:14px 16px;font-size:14px;font-weight:600;color:#ffffffe6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-panel{position:fixed;inset:0;z-index:2000;background:#0c0d10;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:24px;display:flex;flex-direction:column;align-items:center}.admin-panel__header{display:flex;align-items:center;gap:16px;margin-bottom:32px;width:100%;max-width:700px}.admin-panel__title{font-size:22px;font-weight:700;color:#fff;flex:1}.admin-panel__logout{background:#ff505026;border:1px solid rgba(255,80,80,.25);color:#ff7878e6;padding:6px 14px;border-radius:8px;font-size:12px;cursor:pointer;transition:all .2s}.admin-panel__logout:hover{background:#ff505040}.admin-login{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;min-height:400px;gap:16px}.admin-login__title{font-size:20px;font-weight:700;color:#fff;margin-bottom:8px}.admin-login__input{width:260px;padding:10px 14px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:10px;color:#fff;font-size:14px;outline:none;transition:border-color .2s}.admin-login__input:focus{border-color:#64b4ff66}.admin-login__btn{width:260px;padding:10px;background:#64b4ff33;border:1px solid rgba(100,180,255,.3);border-radius:10px;color:#64b4fff2;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.admin-login__btn:hover{background:#64b4ff4d}.admin-login__error{color:#ff6464e6;font-size:13px}.admin-models{width:100%;max-width:700px}.admin-model-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:12px;margin-bottom:8px}.admin-model-item__name{flex:1;font-size:14px;font-weight:500;color:#ffffffd9}.admin-model-item__actions{display:flex;gap:6px}.admin-btn-sm{padding:4px 10px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#fff9;font-size:11px;cursor:pointer;transition:all .2s}.admin-btn-sm:hover{background:#ffffff1f;color:#fff}.admin-btn-sm--danger{border-color:#ff505033;color:#ff6464b3}.admin-btn-sm--danger:hover{background:#ff505026;color:#ff7878e6}@media(max-width:600px){.demo-landing{padding:16px}.demo-landing__title{font-size:22px}.demo-landing__grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.demo-card__name{padding:10px 12px;font-size:13px}}.landing-vignette{position:absolute;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse 80% 70% at 50% 50%,#0c0d1040,#0c0d10a6,#0c0d10eb)}.title-card-overlay.has-bg-model .landing-vignette{background:radial-gradient(ellipse 80% 70% at 50% 50%,#0c0d1026,#0c0d1080,#0c0d10d9)}.title-card-overlay:not(.has-bg-model) .landing-vignette{background:#0c0d10}.landing-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 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forwards}.landing-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;pointer-events:auto}.landing-btn{display:flex;align-items:center;justify-content:center;gap:10px;min-width:150px;padding:12px 24px;border-radius:12px;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:14px;font-weight:500;letter-spacing:.3px;cursor:pointer;transition:all .25s ease;position:relative;opacity:0;filter:blur(8px);transform:translateY(12px);transition:opacity .5s ease,filter .5s ease,transform .5s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease}.landing-actions.is-visible .landing-btn{opacity:1;filter:blur(0);transform:translateY(0)}.landing-actions.is-visible .landing-btn:nth-child(1){transition-delay:0s}.landing-actions.is-visible .landing-btn:nth-child(2){transition-delay:.15s}.landing-btn--primary{background:#64b4ff1a;border:1px solid rgba(100,180,255,.2);color:#8cc8fff2}.landing-btn--primary:hover{background:#64b4ff2e;border-color:#64b4ff66;box-shadow:0 4px 20px #64b4ff26;transform:translateY(-1px)}.landing-btn--secondary{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:#c8d7e6d9}.landing-btn--secondary:hover{background:#ffffff17;border-color:#ffffff2e;box-shadow:0 4px 16px #0000004d;transform:translateY(-1px)}.landing-btn__lock{font-size:11px;opacity:.5}.landing-help{position:absolute;right:24px;bottom:24px;z-index:2;pointer-events:auto}.landing-help__btn{width:40px;height:40px;border-radius:50%;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);color:#fff6;font-size:16px;font-weight:700;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(8px);transition:all .45s ease}.landing-help.is-visible .landing-help__btn{opacity:1;transform:translateY(0);transition-delay:.4s}.landing-help__btn:hover{background:#ffffff1a;border-color:#fff3;color:#ffffffb3}@keyframes landing-fade-in{0%{opacity:0}to{opacity:1}}@keyframes landing-fade-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.title-card-overlay.has-bg-model~.viewer-shell .viewer canvas,.page.landing-empty .title-card-overlay.has-bg-model~.viewer-shell .viewer canvas{filter:blur(6px) brightness(.7) saturate(1.1);opacity:1!important;pointer-events:none}@media(max-width:600px){.landing-brand__title{font-size:clamp(24px,7vw,36px)}.landing-brand__tagline{font-size:12px}.landing-btn{min-width:130px;padding:11px 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