:root{
  --sn-shell:430px;
  --sn-white:#fff;
  --sn-ivory:#f8f6f2;
  --sn-ink:#0d0b0c;
  --sn-muted:#716b6e;
  --sn-line:rgba(13,11,12,.12);
  --sn-merlot:#610c24;
  --sn-paper:#f2e9de;
  --sn-night:#08090a;
  --sn-cyan:#d6f2ff;
  --sn-page:18px;
  --sn-dock:58px;
  --sn-mini:58px;
  --sn-safe-top:env(safe-area-inset-top,0px);
  --sn-safe-bottom:env(safe-area-inset-bottom,0px);
  --sn-vv-height:100dvh;
  --sn-vv-top:0px;
  --sn-keyboard-height:0px;
  --sn-ease:cubic-bezier(.22,.8,.24,1);
  font-family:"Onest",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--sn-ink);
  background:#ddd8d2;
  font-synthesis:none;
  text-rendering:optimizeLegibility;
}
*{box-sizing:border-box}
html,body{margin:0;min-width:320px;min-height:100%;background:#ddd8d2}
body{overflow-x:hidden;overscroll-behavior-x:none}
button,input,textarea{font:inherit}
button{border:0;padding:0;background:none;color:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}

.sn-shell{position:relative;width:min(100%,var(--sn-shell));min-height:100dvh;margin:0 auto;background:var(--sn-white);overflow-x:clip;box-shadow:0 0 48px rgba(13,11,12,.08)}
.sn-main{min-height:calc(100dvh - var(--sn-safe-bottom));padding-bottom:calc(var(--sn-dock) + var(--sn-safe-bottom))}
.sn-shell.has-mini-player .sn-main{padding-bottom:calc(var(--sn-dock) + var(--sn-mini) + var(--sn-safe-bottom))}
body.is-ai-route .sn-main{padding:0}
.sn-screen{min-height:calc(100dvh - var(--sn-dock) - var(--sn-safe-bottom));padding:calc(var(--sn-safe-top) + 18px) var(--sn-page) 34px;background:var(--sn-white);animation:route-in .26s var(--sn-ease) both}
@keyframes route-in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.sn-title{margin:0;font-size:clamp(43px,12vw,56px);font-weight:760;line-height:.92;letter-spacing:-.064em}
.sn-section-head{padding-bottom:2px}

/* global navigation */
.sn-dock{position:fixed;z-index:90;left:50%;bottom:0;width:min(100%,var(--sn-shell));height:calc(var(--sn-dock) + var(--sn-safe-bottom));padding:0 8px var(--sn-safe-bottom);transform:translateX(-50%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--sn-line);backdrop-filter:blur(18px);transition:opacity .18s var(--sn-ease),transform .18s var(--sn-ease)}
.sn-dock__item{position:relative;height:var(--sn-dock);display:grid;place-items:center;color:#6b6668;font-size:12px;font-weight:570;letter-spacing:-.015em;cursor:pointer}
.sn-dock__item::before{content:"";position:absolute;top:8px;left:50%;width:20px;height:1.5px;border-radius:99px;background:transparent;transform:translateX(-50%)}
.sn-dock__item.is-active{color:var(--sn-merlot);font-weight:720}
.sn-dock__item.is-active::before{background:var(--sn-merlot)}
body.is-ai-route .sn-dock,body.is-ai-intro .sn-dock,body.is-viewer-open .sn-dock,body.is-player-open .sn-dock,body.is-keyboard-open .sn-dock{opacity:0;pointer-events:none;transform:translate(-50%,12px)}

/* compact mini-player */
.sn-mini-player{position:fixed;z-index:89;left:50%;bottom:calc(var(--sn-dock) + var(--sn-safe-bottom));width:min(100%,var(--sn-shell));height:var(--sn-mini);padding:6px 10px;transform:translateX(-50%);display:grid;grid-template-columns:1fr 44px;align-items:center;background:rgba(248,246,242,.98);border-top:1px solid var(--sn-line);backdrop-filter:blur(16px)}
.sn-mini-player__main{min-width:0;display:grid;grid-template-columns:42px 1fr;align-items:center;gap:10px;text-align:left;cursor:pointer}
.sn-mini-player__copy{min-width:0}
.sn-mini-player__copy strong,.sn-mini-player__copy span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sn-mini-player__copy strong{font-size:12px;font-weight:720}
.sn-mini-player__copy span{margin-top:1px;color:var(--sn-muted);font-size:9px}
.sn-mini-player__toggle{width:42px;height:42px;display:grid;place-items:center;cursor:pointer}
.sn-mini-player__toggle svg{width:22px;height:22px}
body.is-keyboard-open .sn-mini-player,body.is-viewer-open .sn-mini-player,body.is-player-open .sn-mini-player,body.is-ai-route .sn-mini-player{display:none}

/* covers */
.sn-cover{display:block;flex:none;overflow:hidden;background:#191719}
.sn-cover img{width:100%;height:100%;object-fit:cover}
.sn-cover--mini{width:42px;height:42px;border-radius:9px}
.sn-cover--list{width:54px;height:54px;border-radius:8px}
.sn-cover--current{width:64px;height:64px;border-radius:10px}
.sn-cover--tool{width:48px;height:48px;border-radius:9px}
.sn-cover--fullscreen{width:min(79vw,340px);height:min(79vw,340px);max-width:340px;max-height:340px;border-radius:10px;box-shadow:0 22px 55px rgba(0,0,0,.22)}

/* home */
.sn-home{display:flex;flex-direction:column;gap:15px;min-height:calc(100dvh - var(--sn-dock) - var(--sn-safe-bottom))}
.sn-home__head{padding-top:2px}
.sn-home__name{margin:0;font-size:clamp(49px,13.2vw,61px);font-weight:760;line-height:.9;letter-spacing:-.068em}
.sn-home__name span{display:block}
.sn-home__portrait{position:relative;margin:0;aspect-ratio:4/5;border-radius:20px;overflow:hidden;background:#171217}
.sn-home__portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 45%;opacity:0;transform:scale(1.018);transition:opacity .4s var(--sn-ease),transform .62s var(--sn-ease)}
.sn-home__portrait.is-ready img{opacity:1;transform:none}

/* archive */
.sn-archive{display:flex;flex-direction:column;gap:20px}
.sn-years{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.sn-year{height:44px;border:1px solid var(--sn-line);border-radius:14px;background:#fff;color:#625d5f;font-size:12px;font-weight:680;cursor:pointer}
.sn-year.is-active{background:var(--sn-ink);border-color:var(--sn-ink);color:#fff}
#archive-artifact{min-height:0}
.sn-artifact{animation:artifact-in .22s var(--sn-ease) both}
@keyframes artifact-in{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
.sn-artifact--document{width:min(100%,370px);margin-inline:auto;padding:9px 10px 10px;border-radius:18px;background:#e9e0d0}
.sn-document-label{padding:2px 1px 8px;display:flex;justify-content:space-between;align-items:center;color:#4c463d;font-size:10px;font-weight:720;letter-spacing:.05em}
.sn-document-label small{font-size:10px;font-weight:720}
.sn-document-stage{width:100%;display:grid;place-items:center;overflow:hidden;cursor:pointer;background:#e9e0d0}
.sn-document-stage img{display:block;width:100%;height:auto;box-shadow:0 14px 30px rgba(40,31,22,.16)}


.sn-artifact--card{width:min(100%,370px);margin-inline:auto;padding:10px;border-radius:18px;background:#eee6de}
.sn-card-label,.sn-poster-label{padding:3px 3px 13px;display:flex;justify-content:space-between;align-items:center;font-size:10px;font-weight:720;letter-spacing:.05em}
.sn-card-label small,.sn-poster-label small{font-size:10px;font-weight:720}
.sn-card-stage{width:100%;padding:2px 0 3px;display:grid;place-items:center;cursor:pointer;overflow:hidden}
.sn-card-stage img{width:min(100%,266px);height:auto;object-fit:contain;filter:drop-shadow(0 18px 24px rgba(13,11,12,.16));transition:opacity .16s,transform .22s var(--sn-ease)}
.sn-card-stage img.is-switching{opacity:0;transform:translateY(5px)}
.sn-segmented{margin-top:5px;padding:4px;border-radius:17px;display:grid;grid-template-columns:1fr 1fr;background:rgba(255,255,255,.92);border:1px solid rgba(13,11,12,.06)}
.sn-segmented button{height:42px;border-radius:13px;font-size:11px;font-weight:680;cursor:pointer}
.sn-segmented button.is-active{background:var(--sn-ink);color:#fff}

.sn-original-inline{margin-top:9px;min-height:64px;padding:11px 13px;border:1px solid rgba(13,11,12,.09);border-radius:17px;background:rgba(255,255,255,.88);display:flex;align-items:center;justify-content:space-between;gap:12px;transition:transform .16s var(--sn-ease),background .16s}
.sn-original-inline:active{transform:scale(.99)}
.sn-original-inline span{min-width:0}.sn-original-inline small,.sn-original-inline strong{display:block}
.sn-original-inline small{color:var(--sn-muted);font-size:8px;font-weight:760;letter-spacing:.06em}
.sn-original-inline strong{margin-top:5px;font-size:12px;font-weight:720;letter-spacing:-.01em}
.sn-original-inline svg{width:18px;height:18px;flex:none}
.sn-incident-mini{margin-top:10px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid rgba(255,255,255,.13);border-radius:14px;overflow:hidden;background:rgba(255,255,255,.13)}
.sn-incident-mini>span{min-width:0;padding:10px 8px;background:#09090a}
.sn-incident-mini small,.sn-incident-mini strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sn-incident-mini small{color:rgba(214,242,255,.62);font-size:7px;font-weight:760;letter-spacing:.08em}
.sn-incident-mini strong{margin-top:5px;color:#fff;font-size:9px;font-weight:700;letter-spacing:-.02em}
.sn-artifact--poster{width:min(100%,370px);margin-inline:auto;padding:9px 10px 10px;border-radius:18px;background:#000;color:#fff}
.sn-poster-label{padding:2px 1px 8px;color:rgba(255,255,255,.8)}
.sn-poster-stage{width:100%;padding:0;display:grid;place-items:center;background:#000;cursor:pointer;overflow:hidden}
.sn-poster-stage img{display:block;width:100%;height:auto;object-fit:contain}

/* Music list: one solid, light interface */
.sn-music{background:var(--sn-white);color:var(--sn-ink)}
.sn-music__head{display:flex;align-items:end;justify-content:space-between}
.sn-music__head h1{margin:0;font-size:clamp(48px,13vw,58px);line-height:.92;letter-spacing:-.06em}
.sn-music__head span{padding-bottom:3px;color:var(--sn-muted);font-size:10px}
.sn-music-current{width:100%;min-height:82px;margin-top:22px;padding:9px;border:1px solid var(--sn-line);border-radius:17px;display:grid;grid-template-columns:64px 1fr 44px;align-items:center;gap:12px;background:var(--sn-ivory);text-align:left}
.sn-music-current>span:not(.sn-cover){min-width:0}
.sn-music-current small,.sn-music-current strong,.sn-music-current em{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sn-music-current small{font-size:8px;font-weight:760;letter-spacing:.08em;color:var(--sn-muted)}
.sn-music-current strong{margin-top:5px;font-size:17px;letter-spacing:-.02em}
.sn-music-current em{margin-top:3px;font-size:10px;font-style:normal;color:var(--sn-muted)}
.sn-music-current>i{display:grid;place-items:center;font-style:normal}
.sn-music-current>i svg{width:22px;height:22px}
.sn-track-list{margin-top:20px;border-top:1px solid var(--sn-line)}
.sn-track{width:100%;min-height:76px;padding:10px 3px;border-bottom:1px solid var(--sn-line);display:grid;grid-template-columns:54px 1fr 28px;align-items:center;gap:13px;text-align:left;color:var(--sn-ink);cursor:pointer}
.sn-track__copy{min-width:0}
.sn-track__copy strong,.sn-track__copy span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sn-track__copy strong{font-size:14px;font-weight:700;letter-spacing:-.015em}
.sn-track__copy span{margin-top:4px;color:var(--sn-muted);font-size:10px}
.sn-track.is-active .sn-track__copy strong{color:var(--sn-merlot)}
.sn-track>i{min-width:20px;display:grid;place-items:center;font-style:normal;color:var(--sn-merlot)}
.sn-playing-bars{height:18px;display:flex!important;align-items:flex-end!important;gap:2px}
.sn-playing-bars b{width:2px;border-radius:2px;background:currentColor;animation:bars .8s ease-in-out infinite}
.sn-playing-bars b:nth-child(1){height:8px}.sn-playing-bars b:nth-child(2){height:14px;animation-delay:.14s}.sn-playing-bars b:nth-child(3){height:10px;animation-delay:.28s}
@keyframes bars{50%{height:5px}}

/* Spotify-like player, no gradients */
.sn-player-overlay{position:fixed;z-index:160;inset:0;display:grid;place-items:center;background:rgba(8,7,9,.72);animation:fade-in .16s ease both}
.sn-player-sheet{--player-bg:#171718;--player-fg:#fff;position:relative;width:min(100%,var(--sn-shell));height:var(--sn-vv-height);max-height:100dvh;padding:var(--sn-safe-top) 20px var(--sn-safe-bottom);overflow:hidden;background:var(--player-bg);color:var(--player-fg)}
.sn-player-sheet>header{height:56px;display:grid;grid-template-columns:44px 1fr 44px;align-items:center}
.sn-player-sheet>header>span{text-align:center;color:color-mix(in srgb,var(--player-fg) 64%,transparent);font-size:9px;font-weight:760;letter-spacing:.11em}
.sn-player-sheet>header button{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:var(--player-fg)}
.sn-player-sheet>header button svg{width:23px;height:23px}
.sn-player-main{height:calc(100% - 56px);padding:15px 3px 18px;display:flex;flex-direction:column;align-items:center}
.sn-player-copy{width:100%;margin-top:26px}
.sn-player-copy h2{margin:0;font-size:30px;line-height:1.02;letter-spacing:-.045em}
.sn-player-copy p{margin:7px 0 0;color:color-mix(in srgb,var(--player-fg) 58%,transparent);font-size:12px}
.sn-player-progress{width:100%;margin-top:22px}
.sn-progress{width:100%;height:20px;margin:0;appearance:none;background:transparent;color:var(--player-fg);cursor:pointer}
.sn-progress::-webkit-slider-runnable-track{height:3px;border-radius:99px;background:linear-gradient(to right,currentColor 0 var(--progress,0%),color-mix(in srgb,currentColor 23%,transparent) var(--progress,0%) 100%)}
.sn-progress::-webkit-slider-thumb{width:12px;height:12px;margin-top:-4.5px;border:0;border-radius:50%;appearance:none;background:currentColor}
.sn-progress::-moz-range-track{height:3px;border-radius:99px;background:color-mix(in srgb,currentColor 23%,transparent)}
.sn-progress::-moz-range-progress{height:3px;border-radius:99px;background:currentColor}
.sn-progress::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:currentColor}
.sn-times{display:flex;justify-content:space-between;color:color-mix(in srgb,var(--player-fg) 54%,transparent);font-size:8px}
.sn-player-controls{width:100%;margin-top:10px;display:grid;grid-template-columns:44px 1fr 76px 1fr 44px;align-items:center}
.sn-player-controls button{min-width:44px;height:52px;display:grid;place-items:center;color:color-mix(in srgb,var(--player-fg) 82%,transparent)}
.sn-player-controls button svg{width:25px;height:25px}
.sn-player-controls .sn-player-play{width:68px;height:68px;margin:auto;border-radius:50%;background:var(--player-fg);color:var(--player-bg)}
.sn-player-controls .sn-player-play svg{width:31px;height:31px}
.sn-player-controls button.is-active{color:var(--sn-merlot)}
.sn-lyrics-panel{height:calc(100% - 56px);display:grid;grid-template-rows:minmax(0,1fr) 58px;overflow:hidden}
#lyrics-content{height:100%;padding:11px 2px 50px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none}
#lyrics-content::-webkit-scrollbar{display:none}
#lyrics-content>header{margin-bottom:34px}
#lyrics-content>header small{color:color-mix(in srgb,var(--player-fg) 55%,transparent);font-size:10px}
#lyrics-content>header h2{margin:6px 0 0;font-size:34px;line-height:.96;letter-spacing:-.05em}
#lyrics-content section{margin-bottom:29px}
#lyrics-content section>span{display:none}
#lyrics-content p{margin:0 0 10px;font-size:23px;font-weight:650;line-height:1.27;letter-spacing:-.03em;color:var(--player-fg)}
.sn-lyrics-mini{height:58px;padding:7px 0;border-top:1px solid color-mix(in srgb,var(--player-fg) 18%,transparent);display:grid;grid-template-columns:1fr 48px;align-items:center}
.sn-lyrics-mini span{min-width:0}
.sn-lyrics-mini strong,.sn-lyrics-mini small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sn-lyrics-mini strong{font-size:12px}.sn-lyrics-mini small{margin-top:2px;font-size:9px;color:color-mix(in srgb,var(--player-fg) 54%,transparent)}
.sn-lyrics-mini button{width:48px;height:44px;display:grid;place-items:center}.sn-lyrics-mini svg{width:22px;height:22px}

/* AI application layer */
body.is-ai-route{position:fixed;inset:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none;background:#060507}body.is-ai-route .sn-shell,body.is-ai-route #app{background:#060507}
.sn-ai-route{position:fixed;z-index:50;top:var(--sn-vv-top);left:50%;width:min(100%,var(--sn-shell));height:var(--sn-vv-height);transform:translateX(-50%);overflow:hidden;background:#070608;color:#fff}
.sn-ai-bg{position:absolute;inset:0;background:url("/sn/assets/ai/school-palace-corridor.webp") 50% 50%/cover no-repeat;filter:saturate(.72) brightness(.48);transform:scale(1.015)}
.sn-ai-route::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(4,3,5,.13),rgba(4,3,5,.31) 43%,rgba(4,3,5,.93) 84%)}
.sn-ai-shell{position:relative;z-index:2;height:100%;padding:calc(var(--sn-safe-top) + 6px) 12px calc(var(--sn-safe-bottom) + 8px);display:grid;grid-template-rows:42px minmax(278px,34vh) minmax(0,1fr);gap:7px}
.sn-ai-top{position:relative;z-index:60;display:grid;grid-template-columns:42px 1fr auto;align-items:center;color:rgba(255,255,255,.68);font-size:10px;font-weight:690}
.sn-ai-top>span{padding-left:2px}
.sn-ai-top__actions{position:relative;display:flex;justify-content:flex-end}
.sn-ai-top button{min-height:40px;color:rgba(255,255,255,.61);font-size:10px;cursor:pointer}
.sn-ai-exit{width:40px;display:grid;place-items:center}.sn-ai-exit svg{width:22px;height:22px}
.sn-ai-character{position:relative;z-index:5;min-height:0;display:grid;place-items:end center;overflow:visible;cursor:pointer}
.sn-ai-stage{--sprite-scale:1.58;position:relative;width:176.96px;height:278.08px;isolation:isolate}
.sn-ai__sprite,.sn-ai-intro__sprite{--sprite-scale:1.58;width:176.96px;height:278.08px;background-repeat:no-repeat;background-size:1415.68px 1668.48px;image-rendering:pixelated;image-rendering:crisp-edges;filter:drop-shadow(0 18px 25px rgba(0,0,0,.38));transform-origin:center bottom}
.sn-ai-effect-layer{position:absolute;inset:0;width:100%;height:100%;background-repeat:no-repeat;image-rendering:pixelated;image-rendering:crisp-edges;opacity:0;pointer-events:none;z-index:2}
.sn-ai-presence-dot{position:absolute;left:var(--presence-left,49.1%);top:var(--presence-top,16.5%);width:calc(2px * var(--sprite-scale));height:calc(2px * var(--sprite-scale));transform:translate(-50%,-50%);background:#b5f7ff;box-shadow:0 0 calc(3px * var(--sprite-scale)) #00daff;opacity:0;pointer-events:none;z-index:3}
.sn-ai-stage[data-presence="true"] .sn-ai-presence-dot{opacity:1}
.sn-ai-menu-button{width:40px;height:40px;border-radius:13px;background:rgba(255,255,255,.08);color:#fff;font-size:17px;font-weight:760;letter-spacing:.08em;display:grid;place-items:center}
.sn-ai-menu{position:absolute;z-index:80;top:43px;right:0;min-width:160px;padding:6px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(10,9,11,.98);box-shadow:0 18px 42px rgba(0,0,0,.45);backdrop-filter:blur(18px);display:grid;gap:3px}
.sn-ai-menu[hidden]{display:none!important}
.sn-ai-menu button{width:100%;min-height:42px;padding:0 12px;border-radius:11px;color:#fff;font-size:11px;font-weight:650;text-align:left}
.sn-ai-menu button:active{background:rgba(255,255,255,.1)}
.sn-ai-dialogue{position:relative;z-index:10;min-height:0;border:1px solid rgba(255,255,255,.15);border-radius:23px 23px 18px 18px;background:rgba(8,7,9,.94);backdrop-filter:blur(17px);overflow:hidden;display:grid;grid-template-rows:minmax(0,1fr) auto auto}
.sn-ai-messages{min-height:0;padding:16px 13px 10px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:none}
.sn-ai-messages::-webkit-scrollbar{display:none}
.sn-message{max-width:86%;font-size:13px;line-height:1.43;white-space:pre-wrap;overflow-wrap:anywhere}
.sn-message--assistant{max-width:94%}
.sn-message--assistant{align-self:flex-start;padding:10px 12px;border-radius:15px 15px 15px 5px;background:rgba(255,255,255,.085);color:rgba(255,255,255,.96)}
.sn-message--user{align-self:flex-end;padding:10px 12px;border-radius:15px 15px 5px 15px;background:#fff;color:#111}
.sn-ai-typing{height:20px;padding:0 15px 6px;display:flex;align-items:center;gap:3px}
.sn-ai-typing span{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.53);animation:dot 1s ease-in-out infinite}
.sn-ai-typing span:nth-child(2){animation-delay:.15s}.sn-ai-typing span:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,80%,100%{opacity:.25;transform:none}40%{opacity:1;transform:translateY(-2px)}}
.sn-ai-form{padding:8px;border-top:1px solid rgba(255,255,255,.11);display:grid;grid-template-columns:42px minmax(0,1fr) 50px;align-items:end;gap:7px;background:rgba(8,7,9,.99)}
.sn-ai-form textarea{min-width:0;min-height:48px;max-height:96px;padding:13px 14px;border:1px solid rgba(255,255,255,.16);border-radius:17px;background:rgba(255,255,255,.06);color:#fff;outline:none;font-size:16px;line-height:1.3;resize:none;overflow-y:auto;-webkit-text-size-adjust:100%}
.sn-ai-form textarea::placeholder{color:rgba(255,255,255,.36)}
.sn-ai-form textarea:focus{border-color:rgba(255,255,255,.34)}
.sn-ai-form>button{height:48px;border-radius:16px;display:grid;place-items:center}
.sn-ai-plus{background:rgba(255,255,255,.08);color:#fff;font-size:24px;font-weight:300}
#ai-send{background:#fff;color:#111}
.sn-ai-form button svg{width:23px;height:23px}
.sn-ai-form button:disabled{opacity:.42}
body.is-keyboard-open .sn-ai-shell{padding-top:2px;padding-bottom:5px;grid-template-rows:34px 112px minmax(0,1fr);gap:4px}
body.is-keyboard-open .sn-ai-top__actions{display:none}
body.is-keyboard-open .sn-ai-character{place-items:start center;overflow:hidden}
body.is-keyboard-open .sn-ai-stage{--sprite-scale:.82;width:91.84px;height:144.32px}
body.is-keyboard-open .sn-ai__sprite{--sprite-scale:.82;width:91.84px;height:144.32px;background-size:734.72px 866.88px;transform:translateY(0)}
body.is-keyboard-open .sn-ai-dialogue{border-radius:18px}
body.is-keyboard-open .sn-ai-messages{padding-top:11px}

/* AI tools */
.sn-tool-card{width:100%;padding:9px;border:1px solid rgba(255,255,255,.13);border-radius:15px;display:grid;grid-template-columns:58px 1fr;gap:11px;background:rgba(255,255,255,.07);color:#fff;text-align:left}
.sn-tool-card__visual{height:62px;border-radius:10px;display:grid;place-items:center;overflow:hidden;background:#171417}
.sn-tool-card__visual img{width:100%;height:100%;object-fit:cover}
.sn-tool-card__visual>span{font-size:16px;font-weight:760}
.sn-tool-card__copy{min-width:0;display:flex;flex-direction:column;justify-content:center}
.sn-tool-card__copy small{color:rgba(255,255,255,.43);font-size:8px}
.sn-tool-card__copy strong{margin-top:4px;font-size:12px}
.sn-tool-card__copy em{margin-top:7px;display:flex;align-items:center;gap:5px;font-style:normal;color:rgba(255,255,255,.72);font-size:9px}
.sn-tool-card__copy em svg{width:13px;height:13px}
.sn-tool-track{width:100%;padding:8px;border:1px solid rgba(255,255,255,.13);border-radius:14px;display:grid;grid-template-columns:48px 1fr 34px;align-items:center;gap:10px;background:rgba(255,255,255,.07);color:#fff;text-align:left}
.sn-tool-track>span{min-width:0}.sn-tool-track strong,.sn-tool-track small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sn-tool-track strong{font-size:12px}.sn-tool-track small{margin-top:3px;color:rgba(255,255,255,.45);font-size:9px}.sn-tool-track>i{height:34px;display:grid;place-items:center;font-style:normal}

/* intro */
.sn-ai-intro{position:fixed;z-index:100;top:var(--sn-vv-top);left:50%;width:min(100%,var(--sn-shell));height:var(--sn-vv-height);transform:translateX(-50%);overflow:hidden;background:#060507;color:#fff}
.sn-ai-intro__bg{position:absolute;inset:-1px;background:url("/sn/assets/ai/school-palace-corridor.webp") 50% 50%/cover no-repeat;filter:saturate(.76) brightness(.64);transition:transform .95s var(--sn-ease),filter .95s var(--sn-ease)}
.sn-ai-intro::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(3,3,4,.08),rgba(3,3,4,.14) 58%,rgba(3,3,4,.76))}
.sn-ai-intro.is-approaching .sn-ai-intro__bg{transform:scale(1.15);filter:saturate(.82) brightness(.5)}
.sn-ai-intro__scene{position:relative;z-index:2;height:100%;padding:calc(var(--sn-safe-top) + 16px) 16px calc(var(--sn-safe-bottom) + 18px);display:flex;flex-direction:column}
.sn-ai-intro__label{font-size:10px;font-weight:680;color:rgba(255,255,255,.68)}
.sn-ai-intro__figure{position:relative;flex:1;display:grid;place-items:end center;min-height:350px}
.sn-ai-intro__halo{position:absolute;left:50%;bottom:17%;width:135px;height:210px;border-radius:50%;background:radial-gradient(ellipse,rgba(214,242,255,.14),transparent 70%);transform:translateX(-50%);filter:blur(8px)}
.sn-ai-intro__silhouette{position:relative;z-index:1;width:124px;height:auto;margin-bottom:16%;opacity:.96;filter:drop-shadow(0 0 1px rgba(255,255,255,.52)) drop-shadow(0 0 13px rgba(214,242,255,.24)) drop-shadow(0 14px 20px rgba(0,0,0,.5));transform:translateY(-18px);transition:opacity .38s,transform .95s var(--sn-ease)}
.sn-ai-intro.is-approaching .sn-ai-intro__silhouette{opacity:0;transform:scale(2.7) translateY(8px)}
.sn-ai-intro__sprite{position:absolute;z-index:2;bottom:0;opacity:0;transform:translateY(14px) scale(.96);transition:opacity .4s .52s,transform .5s .5s var(--sn-ease)}
.sn-ai-intro.is-revealed .sn-ai-intro__sprite{opacity:1;transform:none}
.sn-ai-intro__panel{position:relative;z-index:4;min-height:108px;padding:14px;border:1px solid rgba(255,255,255,.18);border-radius:20px;background:rgba(8,7,9,.92);backdrop-filter:blur(15px)}
.sn-ai-intro__panel p{margin:0 0 12px;min-height:39px;font-size:15px;line-height:1.38;white-space:pre-wrap}
.sn-ai-intro__panel>button{width:100%;height:48px;border-radius:16px;background:#fff;color:#111;font-size:12px;font-weight:720}
.sn-ai-intro__panel form{display:grid;grid-template-columns:1fr 48px;gap:8px}
.sn-ai-intro__panel textarea{min-width:0;height:48px;padding:13px 14px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.06);color:#fff;outline:none;font-size:16px;resize:none}
.sn-ai-intro__panel form button{height:48px;border-radius:16px;background:#fff;color:#111;display:grid;place-items:center}

/* viewers */
@keyframes fade-in{from{opacity:0}to{opacity:1}}
.sn-viewer{position:fixed;z-index:160;inset:0;display:grid;place-items:center;background:rgba(13,11,12,.65);animation:fade-in .16s ease both}
.sn-viewer__surface{position:relative;width:min(100%,var(--sn-shell));height:var(--sn-vv-height);background:#fff;overflow:hidden}
.sn-viewer__surface>header{position:absolute;z-index:5;top:0;left:0;right:0;height:calc(var(--sn-safe-top) + 56px);padding:var(--sn-safe-top) 10px 0 17px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}
.sn-viewer__surface>header span{font-size:10px;font-weight:700}
.sn-viewer__surface>header button{width:44px;height:44px;border-radius:15px;background:var(--sn-ink);color:#fff;display:grid;place-items:center}
.sn-viewer__surface>header button svg{width:19px;height:19px}
.sn-viewer--document .sn-viewer__surface{background:var(--sn-paper)}
.sn-document-scroll{height:100%;padding:calc(var(--sn-safe-top) + 62px) var(--sn-page) calc(var(--sn-safe-bottom) + 20px);overflow:auto;scrollbar-width:none}
.sn-document-scroll::-webkit-scrollbar{display:none}
.sn-document-scroll article{max-width:390px;margin:0 auto;padding:24px 20px;border:1px solid rgba(61,45,35,.34);background:#f4eadf;box-shadow:7px 8px 0 rgba(97,12,36,.11)}
.sn-document-scroll h1{margin:0 0 30px;font-size:46px;line-height:.9;letter-spacing:-.055em}
.sn-document-scroll p{margin:0 0 16px;font-family:Georgia,serif;font-size:16px;line-height:1.55}
.sn-document-scroll p:first-of-type{font-size:19px;line-height:1.42}
.sn-viewer--card .sn-viewer__surface{background:#eee7df}
.sn-zoom-frame{height:100%;padding:calc(var(--sn-safe-top) + 61px) 12px calc(var(--sn-safe-bottom) + 72px);display:grid;place-items:center;overflow:auto;touch-action:pan-x pan-y pinch-zoom}
.sn-zoom-frame img{max-width:100%;max-height:calc(var(--sn-vv-height) - var(--sn-safe-top) - var(--sn-safe-bottom) - 138px);object-fit:contain;filter:drop-shadow(0 20px 28px rgba(13,11,12,.17));transition:opacity .16s,transform .24s var(--sn-ease)}
.sn-zoom-frame.is-zoomed img{max-width:none;max-height:none;width:165%}
.sn-zoom-frame img.is-switching{opacity:0;transform:translateY(5px)}
.sn-viewer-tabs{position:absolute;z-index:6;left:14px;right:14px;bottom:calc(var(--sn-safe-bottom) + 10px)}
.sn-viewer--poster .sn-viewer__surface{background:#000;color:#fff}
.sn-viewer--poster .sn-viewer__surface>header{background:rgba(0,0,0,.9)}
.sn-viewer--poster .sn-viewer__surface>header button{background:#fff;color:#000}
.sn-poster-viewer{padding:calc(var(--sn-safe-top) + 55px) 4px calc(var(--sn-safe-bottom) + 4px)}
.sn-poster-viewer img{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;filter:none}
.sn-poster-viewer.is-zoomed img{width:170%;height:auto;max-width:none;max-height:none}

/* stats */
.sn-stats{background:var(--sn-ivory)}
.sn-stats>header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.sn-stats>header span{display:block;color:var(--sn-muted);font-size:10px;font-weight:650}
.sn-stats>header h1{margin:5px 0 0;font-size:44px;line-height:.92;letter-spacing:-.055em}
.sn-stats>header>button{width:42px;height:42px;border-radius:14px;background:var(--sn-ink);color:#fff;font-size:18px}
.sn-stats-public{margin:25px 0 0;color:var(--sn-muted);font-size:11px}
.sn-stats-download{display:grid;place-items:center;width:100%;height:46px;margin-top:14px;border-radius:14px;background:var(--sn-ink);color:#fff;font-size:11px;font-weight:680}
.sn-stats-grid{margin-top:14px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.sn-stats-grid article{min-height:92px;padding:13px;border:1px solid var(--sn-line);border-radius:15px;background:#fff;display:flex;flex-direction:column;justify-content:space-between}
.sn-stats-grid span{color:var(--sn-muted);font-size:9px}.sn-stats-grid strong{font-size:21px;letter-spacing:-.035em}
.sn-stats-recent{margin-top:30px}.sn-stats-recent h2{margin:0 0 12px;font-size:23px;letter-spacing:-.035em}
.sn-stats-recent article{margin-bottom:10px;padding:14px;border:1px solid var(--sn-line);border-radius:15px;background:#fff}
.sn-stats-recent header,.sn-stats-recent footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;color:var(--sn-muted);font-size:8px}
.sn-stats-recent p{margin:10px 0;font-size:11px;line-height:1.45}.sn-stats-recent footer{padding-top:10px;border-top:1px solid var(--sn-line)}
.sn-ui{display:grid;gap:18px}.sn-ui>span{font-size:10px;color:var(--sn-muted)}

/* PWA, secrets and updates */
#sn-global-toast{position:fixed;z-index:210;left:50%;bottom:calc(var(--sn-dock) + var(--sn-safe-bottom) + 10px);width:min(calc(100% - 24px),406px);transform:translateX(-50%);pointer-events:none}
body.is-ai-route #sn-global-toast,body.is-player-open #sn-global-toast,body.is-viewer-open #sn-global-toast{bottom:calc(var(--sn-safe-bottom) + 14px)}
.sn-toast{margin:0 auto;padding:12px 15px;border-radius:15px;background:rgba(13,11,12,.94);color:#fff;font-size:11px;line-height:1.35;text-align:center;box-shadow:0 15px 35px rgba(0,0,0,.22);pointer-events:auto;animation:toast-in .2s var(--sn-ease) both}
@keyframes toast-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
.sn-install-hint,.sn-update-hint{width:100%;min-height:58px;padding:7px 7px 7px 12px;border:1px solid rgba(255,255,255,.12);border-radius:17px;background:rgba(13,11,12,.96);color:#fff;display:grid;grid-template-columns:1fr 44px;align-items:center;box-shadow:0 18px 38px rgba(0,0,0,.25);pointer-events:auto}
.sn-install-hint__main{text-align:left}.sn-install-hint strong,.sn-install-hint span{display:block}.sn-install-hint strong{font-size:12px}.sn-install-hint span{margin-top:2px;color:rgba(255,255,255,.58);font-size:9px}.sn-install-hint>button{width:44px;height:44px;border-radius:13px;background:rgba(255,255,255,.1);font-size:20px}
.sn-update-hint{grid-template-columns:1fr auto;font-size:11px}.sn-update-hint button{height:42px;padding:0 14px;border-radius:12px;background:#fff;color:#111;font-size:10px;font-weight:680}

@media (display-mode:standalone){:root{background:#fff}html,body{background:#fff}.sn-shell{box-shadow:none}}
@media (min-width:404px){:root{--sn-page:20px}}
@media (max-width:360px){:root{--sn-page:15px}.sn-home__name{font-size:45px}.sn-year{height:42px;font-size:11px}.sn-cover--fullscreen{width:min(76vw,300px);height:min(76vw,300px)}.sn-player-copy h2{font-size:27px}}
@media (max-height:760px){
  .sn-screen{padding-top:calc(var(--sn-safe-top) + 12px)}
  .sn-home{gap:12px}.sn-home__name{font-size:46px}.sn-home__portrait{aspect-ratio:4/4.65}
  .sn-artifact--document{width:min(100%,346px)}.sn-artifact--card{width:min(100%,346px)}.sn-card-stage img{width:min(100%,244px)}.sn-artifact--poster{width:min(100%,346px)}
  .sn-player-main{padding-top:7px}.sn-cover--fullscreen{width:min(61vw,275px);height:min(61vw,275px)}.sn-player-copy{margin-top:18px}.sn-player-progress{margin-top:16px}
  .sn-ai-shell{grid-template-rows:38px 238px minmax(0,1fr)}
  .sn-ai-stage{--sprite-scale:1.34;width:150.08px;height:235.84px}
  .sn-ai__sprite,.sn-ai-intro__sprite{--sprite-scale:1.34;width:150.08px;height:235.84px;background-size:1200.64px 1415.04px}
  .sn-ai-intro__silhouette{width:110px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}


/* v0.11.2 — AI Navigator */
.sn-navigator-sheet{position:absolute;z-index:48;inset:0;display:grid;align-items:end;color:var(--sn-ink)}
.sn-navigator-backdrop{position:absolute;inset:0;width:100%;height:100%;background:rgba(0,0,0,.62);cursor:default}
.sn-navigator-sheet>section{position:relative;width:100%;max-height:min(92%,820px);border-radius:30px 30px 0 0;background:var(--sn-ivory);box-shadow:0 -26px 70px rgba(0,0,0,.32);overflow:hidden;display:grid;grid-template-rows:auto minmax(0,1fr);animation:navigator-in .24s var(--sn-ease) both}
@keyframes navigator-in{from{transform:translateY(18px);opacity:.7}to{transform:none;opacity:1}}
.sn-navigator-sheet>section>header{min-height:82px;padding:17px 16px 12px;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;border-bottom:1px solid var(--sn-line)}
.sn-navigator-sheet>section>header>button{width:42px;height:42px;border-radius:14px;background:var(--sn-ink);color:#fff;display:grid;place-items:center;flex:none}
.sn-navigator-sheet>section>header>button svg{width:20px;height:20px}
.sn-navigator-title{min-width:0;display:flex;align-items:flex-start;gap:7px}
.sn-navigator-title>div{min-width:0}
.sn-navigator-title small{display:block;color:var(--sn-muted);font-size:8px;font-weight:760;letter-spacing:.08em;text-transform:uppercase}
.sn-navigator-title h2{margin:5px 0 0;font-size:31px;line-height:.94;letter-spacing:-.052em}
.sn-navigator-back{width:34px;height:38px;margin:-2px 0 0 -6px;display:grid;place-items:center;flex:none}
.sn-navigator-back svg{width:22px;height:22px}
.sn-navigator-scroll{min-height:0;padding:14px 14px calc(var(--sn-safe-bottom) + 16px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none}
.sn-navigator-scroll::-webkit-scrollbar{display:none}
.sn-navigator-lead{margin:0 2px 13px;color:#625d5f;font-size:11px;line-height:1.45}

.sn-now>small,.sn-materials>small{display:block;margin:0 2px 8px;color:var(--sn-muted);font-size:8px;font-weight:780;letter-spacing:.09em}
.sn-now>button{width:100%;min-height:112px;padding:16px;border-radius:21px;background:var(--sn-ink);color:#fff;display:grid;grid-template-columns:minmax(0,1fr) 28px;align-items:end;gap:12px;text-align:left}
.sn-now>button span{min-width:0}.sn-now>button strong,.sn-now>button em{display:block}
.sn-now>button strong{font-size:20px;line-height:1.04;letter-spacing:-.035em}
.sn-now>button em{margin-top:9px;color:rgba(255,255,255,.62);font-size:10px;line-height:1.4;font-style:normal}
.sn-now>button svg{width:20px;height:20px;justify-self:end}

.sn-nav-routes{margin-top:12px;border:1px solid var(--sn-line);border-radius:20px;overflow:hidden;background:#fff}
.sn-nav-routes>button{position:relative;width:100%;min-height:76px;padding:14px 44px 14px 15px;border-bottom:1px solid var(--sn-line);display:block;text-align:left}
.sn-nav-routes>button:last-child{border-bottom:0}
.sn-nav-routes strong,.sn-nav-routes span{display:block}
.sn-nav-routes strong{font-size:15px;font-weight:740;letter-spacing:-.025em}
.sn-nav-routes span{margin-top:5px;color:var(--sn-muted);font-size:10px;line-height:1.35}
.sn-nav-routes svg{position:absolute;right:15px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:#7c7779}

.sn-materials{margin-top:18px}
.sn-materials>div{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.sn-materials>div::-webkit-scrollbar{display:none}
.sn-materials button{height:39px;padding:0 10px;border:1px solid var(--sn-line);border-radius:13px;background:#fff;flex:none;font-size:9.5px;font-weight:680}

.sn-guide-list{border:1px solid var(--sn-line);border-radius:20px;overflow:hidden;background:#fff}
.sn-guide-list>button{position:relative;width:100%;min-height:69px;padding:12px 42px 12px 14px;border-bottom:1px solid var(--sn-line);display:block;text-align:left}
.sn-guide-list>button:last-child{border-bottom:0}
.sn-guide-list>button span{display:block;min-width:0}.sn-guide-list strong,.sn-guide-list small{display:block}
.sn-guide-list strong{font-size:13px;font-weight:720;letter-spacing:-.018em}
.sn-guide-list small{margin-top:4px;color:var(--sn-muted);font-size:9px;line-height:1.35}
.sn-guide-list svg{position:absolute;right:14px;top:50%;width:17px;height:17px;transform:translateY(-50%);color:#7c7779}

.sn-create-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sn-create-grid>button{min-height:108px;padding:14px;border:1px solid var(--sn-line);border-radius:18px;background:#fff;text-align:left}
.sn-create-grid strong,.sn-create-grid span{display:block}
.sn-create-grid strong{font-size:14px;font-weight:730;letter-spacing:-.02em}
.sn-create-grid span{margin-top:8px;color:var(--sn-muted);font-size:9px;line-height:1.4}

.sn-scenario-card{min-height:278px;padding:20px;border-radius:22px;background:var(--sn-ink);color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
.sn-scenario-card small{margin-bottom:auto;color:rgba(214,242,255,.63);font-size:8px;font-weight:760;letter-spacing:.09em}
.sn-scenario-card h3{margin:0;font-size:30px;line-height:.95;letter-spacing:-.052em}
.sn-scenario-card p{margin:13px 0 0;max-width:320px;color:rgba(255,255,255,.67);font-size:11px;line-height:1.48}
.sn-scenario-actions{margin-top:9px;display:grid;grid-template-columns:1.12fr .88fr;gap:8px}
.sn-scenario-actions button{min-height:49px;border:1px solid var(--sn-line);border-radius:15px;background:#fff;font-size:10px;font-weight:720}
.sn-scenario-actions .sn-scenario-start{background:var(--sn-ink);border-color:var(--sn-ink);color:#fff}

body.is-navigator-open .sn-ai-character{pointer-events:none}
@media (max-width:360px){.sn-navigator-title h2{font-size:28px}.sn-create-grid{grid-template-columns:1fr}.sn-create-grid>button{min-height:82px}.sn-scenario-card{min-height:244px}}
@media (max-height:700px){.sn-navigator-sheet>section{max-height:95%}.sn-navigator-sheet>section>header{min-height:70px;padding-top:12px}.sn-navigator-title h2{font-size:27px}.sn-now>button{min-height:96px}.sn-nav-routes>button{min-height:66px}.sn-scenario-card{min-height:225px}}

/* v0.12.2 — living AI menu */
.sn-now-list{display:grid;gap:7px}
.sn-now-list>button{position:relative;width:100%;min-height:76px;padding:13px 42px 13px 14px;border:1px solid rgba(255,255,255,.08);border-radius:18px;background:var(--sn-ink);color:#fff;display:block;text-align:left;transition:transform .16s var(--sn-ease),background .16s}
.sn-now-list>button:active{transform:scale(.992);background:#211d1f}
.sn-now-list>button span,.sn-now-list>button strong,.sn-now-list>button em{display:block;min-width:0}
.sn-now-list>button strong{font-size:14px;line-height:1.08;font-weight:740;letter-spacing:-.024em}
.sn-now-list>button em{margin-top:6px;max-width:320px;color:rgba(255,255,255,.61);font-size:9.5px;line-height:1.38;font-style:normal}
.sn-now-list>button svg{position:absolute;right:14px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:rgba(255,255,255,.7)}
.sn-now-refresh{display:block;margin:7px 2px 0;color:var(--sn-muted);font-size:8px;letter-spacing:.02em}
@media (max-height:700px){.sn-now-list{gap:6px}.sn-now-list>button{min-height:68px;padding-top:11px;padding-bottom:11px}.sn-now-list>button em{margin-top:4px}.sn-materials{margin-top:13px}}

/* v0.13.0 — Animation Lab */
.sn-animation-lab{padding-bottom:calc(var(--sn-safe-bottom) + 28px);background:#f3f0eb;display:flex;flex-direction:column;gap:14px}
.sn-lab-head{display:grid;grid-template-columns:42px 1fr;align-items:start;gap:8px;margin-bottom:4px}
.sn-lab-head>button{width:42px;height:42px;border-radius:14px;background:#111;color:#fff;display:grid;place-items:center}
.sn-lab-head>button svg{width:21px;height:21px}
.sn-lab-head small{display:block;color:var(--sn-muted);font-size:8px;font-weight:760;letter-spacing:.08em}
.sn-lab-head h1{margin:4px 0 0;font-size:37px;line-height:.94;letter-spacing:-.055em}
.sn-lab-card{padding:12px;border:1px solid rgba(13,11,12,.1);border-radius:23px;background:#fff;overflow:hidden}
.sn-lab-card h2{margin:13px 2px 10px;font-size:25px;line-height:1;letter-spacing:-.04em}
.sn-lab-card>small{display:block;margin:13px 2px 7px;color:var(--sn-muted);font-size:8px;font-weight:800;letter-spacing:.1em}
.sn-lab-stage{height:264px;border-radius:17px;display:grid;place-items:end center;overflow:hidden;background:#09080a}
.sn-lab-card--snezhana .sn-lab-stage{background:#08070a url("/sn/assets/ai/school-palace-corridor.webp") 50% 45%/cover no-repeat}
.sn-lab-stage .sn-ai-stage{--sprite-scale:1.25;width:140px;height:220px;margin-bottom:10px}
.sn-lab-stage .sn-ai__sprite{--sprite-scale:1.25;width:140px;height:220px;background-size:1120px 1320px}
.sn-lab-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.sn-lab-buttons button,.sn-lab-reset{min-height:41px;padding:8px 9px;border:1px solid var(--sn-line);border-radius:12px;background:#f7f5f2;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:8.5px;font-weight:700;text-align:left;overflow-wrap:anywhere}
.sn-lab-reset{width:100%;margin-top:7px;text-align:center;background:#111;color:#fff}
@media (max-width:360px){.sn-lab-buttons{grid-template-columns:1fr}.sn-lab-stage{height:236px}}

/* v0.13.0 final archive + AI MAX */
.sn-document-viewer{padding:calc(var(--sn-safe-top) + 55px) 8px calc(var(--sn-safe-bottom) + 8px);overflow:auto;align-items:flex-start}
.sn-document-viewer img{width:100%;height:auto;max-width:100%;object-fit:contain;box-shadow:0 18px 44px rgba(41,30,19,.2)}
.sn-document-viewer.is-zoomed img{width:165%;max-width:none}
.sn-ai-attachment{margin:0 10px 6px;padding:6px 8px;border:1px solid rgba(255,255,255,.12);border-radius:13px;background:rgba(255,255,255,.07);display:grid;grid-template-columns:34px 1fr 28px;align-items:center;gap:8px;color:rgba(255,255,255,.86);font-size:9px}
.sn-ai-attachment img{width:34px;height:34px;border-radius:8px;object-fit:cover}
.sn-ai-attachment button{width:28px;height:28px;border-radius:9px;background:rgba(255,255,255,.08);color:#fff}
.sn-message__image{width:min(220px,72vw);max-height:240px;margin:0 0 8px;border-radius:12px;object-fit:cover}
.sn-message__image-label{display:inline-block;margin:0 0 6px;padding:4px 7px;border-radius:8px;background:rgba(0,0,0,.08);font-size:9px;font-weight:700}
.sn-ai-capabilities{padding-top:1px}
.sn-ai-capabilities button{background:#111;color:#fff;border-color:#111}