:root{--navy:#14191b;--deep:#0d1113;--panel:#20282a;--cream:#efe9db;--accent:#3c8e7e;--accent-light:#8fd6c6;--vermilion:#c8462a;--vermilion-light:#f0896e;--muted:#a2afaa;--line:#ffffff16;--paper:#f7f3eb;--ink:#1a1f21;--radius:16px;color-scheme:dark;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Pretendard","Noto Sans KR",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--navy);color:var(--cream);min-width:320px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{transition:background .18s,color .18s,transform .18s}button:hover{filter:brightness(1.08)}[hidden]{display:none!important}h1,h2,h3,p{margin:0}.site-header{display:flex;justify-content:space-between;align-items:center;padding:24px 36px;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:800;letter-spacing:1.3px}.brand small{display:block;font-size:10px;color:var(--muted);font-weight:400;letter-spacing:.35px;margin-top:5px}.brand-icon{background:var(--vermilion);width:42px;height:42px;display:flex;align-items:center;justify-content:center;color:#fff3e4;border-radius:4px;font-size:25px;font-weight:600;transform:rotate(-4deg)}.header-actions{display:flex;align-items:center;gap:24px}.language-switch{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);white-space:nowrap}.language-switch button{border:0;background:none;padding:10px 2px;color:var(--muted);font-weight:600}.language-switch button[aria-pressed=true]{color:var(--cream)}.button{border:0;display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:12px 18px;border-radius:8px;font-size:12px;font-weight:700;line-height:1.3;white-space:nowrap}.button-accent{background:var(--accent);color:var(--deep)}.button-accent:hover{background:#4aa593}.button-muted{background:var(--panel);color:var(--cream)}main{max-width:1800px;padding:0 36px;margin:0 auto}.intro{display:flex;justify-content:space-between;align-items:center;padding:36px 0 32px;gap:24px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:9px;font-weight:650;letter-spacing:1.5px}.status-dot{display:inline-block;background:var(--vermilion);height:5px;width:5px;border-radius:50%;flex-shrink:0}.intro h1{font-size:clamp(26px,3.2vw,46px);line-height:1.16;letter-spacing:-1.6px;margin:13px 0 12px;font-weight:650}.intro-copy{font-size:13px;color:var(--muted);line-height:1.65}.intro-stamp{border:1px solid #c8462a90;border-radius:7px;padding:12px 17px;text-align:center;transform:rotate(4deg);margin-right:10px;flex-shrink:0}.intro-stamp>span{font-weight:700;font-size:27px;letter-spacing:1px}.intro-stamp strong{color:var(--vermilion-light);font-weight:700}.intro-stamp small{display:block;font-size:9px;letter-spacing:1.4px;margin-top:5px;color:var(--muted)}.view-bar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);margin-bottom:25px;gap:14px}.tabs{display:flex;gap:24px}.tab{display:flex;align-items:center;gap:9px;border:0;border-bottom:2px solid transparent;background:none;padding:14px 0;color:var(--muted);font-size:12px;white-space:nowrap}.tab[aria-selected=true]{color:var(--cream);border-bottom-color:var(--accent)}.tab>span:first-child{font-size:19px;line-height:1}.preview-note{color:var(--muted);font-size:10px}.catalog-layout{display:grid;grid-template-columns:175px minmax(270px,.85fr) minmax(380px,1.35fr);gap:26px;align-items:start}.sidebar{padding-top:4px}.section-label{display:block;font-size:9px;font-weight:650;letter-spacing:1.1px;color:var(--muted);margin-bottom:12px}.search-wrap{display:flex;align-items:center;background:var(--deep);border:1px solid var(--line);border-radius:8px;margin-bottom:30px;overflow:hidden}.search-wrap>span{padding-left:10px;font-size:24px;color:var(--muted)}input[type=search]{min-width:0;width:100%;border:0;background:transparent;color:var(--cream);padding:12px 8px;font-size:11px;outline-offset:-3px}input::placeholder{color:#8f9d98}.category-list{display:grid;gap:5px}.category-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;border:0;border-radius:7px;background:none;text-align:left;padding:11px 10px;color:var(--muted);font-size:11px}.category-button[aria-pressed=true]{background:#3c8e7e2b;color:var(--accent-light)}.category-button span:last-child{font-size:10px;opacity:.7}.sidebar-note{margin:40px 10px 0;padding-top:24px;border-top:1px solid var(--line)}.little-corner{display:block;color:var(--accent);font-size:34px;margin-bottom:12px}.sidebar-note strong{font-size:12px;font-weight:500;line-height:1.5;display:block}.sidebar-note p{font-size:10px;line-height:1.8;color:var(--muted);margin:8px 0 16px}.format-tag{display:inline-block;font-size:9px;padding:5px 8px;border:1px solid var(--line);border-radius:4px;color:var(--muted)}.category-select,.mobile-filter-label{display:none}.library-heading{display:flex;align-items:center;justify-content:space-between;margin:2px 0 16px;gap:10px}.library-heading h2{font-size:13px;font-weight:550}.library-heading>span{font-size:10px;color:var(--muted)}.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:14px;max-height:690px;overflow:auto;padding:3px 5px 5px 3px;margin:-3px -5px -5px -3px;scrollbar-width:thin;scrollbar-color:#4d5a57 transparent}.asset-card{border:1px solid #ffffff19;padding:0;background:var(--panel);border-radius:11px;overflow:hidden;text-align:left;position:relative;min-width:0}.asset-card:hover{transform:translateY(-2px);border-color:#3c8e7e;filter:none}.asset-card[aria-pressed=true]{border-color:var(--vermilion);box-shadow:0 0 0 1px var(--vermilion)}.asset-image{position:relative;aspect-ratio:1.15;background:#e6e3dc;overflow:hidden}.asset-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.asset-card:hover img{transform:scale(1.045)}.asset-image::after{position:absolute;inset:0;content:"";box-shadow:inset 0 0 24px #1a1f210a;pointer-events:none}.free-badge{position:absolute;top:8px;left:8px;background:var(--accent);color:var(--deep);font-size:8px;font-weight:750;padding:4px 6px;border-radius:4px;letter-spacing:.6px}.selected-mark{position:absolute;right:9px;bottom:9px;background:var(--vermilion);color:#fff3e4;border-radius:50%;width:20px;height:20px;display:none;place-items:center;font-size:11px}.asset-card[aria-pressed=true] .selected-mark{display:grid}.asset-card-copy{padding:12px 10px}.asset-name{display:block;font-size:11px;line-height:1.5;font-weight:550;overflow-wrap:anywhere}.asset-meta{display:block;font-size:9px;color:var(--muted);margin-top:5px}.inspector{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--deep);min-width:0;position:sticky;top:20px}.panel-topline{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;font-size:8px;letter-spacing:1.2px;color:var(--muted)}.panel-topline>span:first-child{display:flex;gap:8px;align-items:center}.panel-index{font-size:8px;white-space:nowrap}.viewport{height:clamp(340px,32vw,480px);position:relative;overflow:hidden;background:var(--panel);color:var(--cream);isolation:isolate}.viewport canvas{display:block;width:100%;height:100%;touch-action:none;position:absolute;inset:0;z-index:0}.viewport-label{position:absolute;top:17px;left:17px;z-index:1;pointer-events:none}.viewport-pill{font-size:7px;letter-spacing:1.3px;border:1px solid #fff4e030;background:#0d1113a8;padding:6px 8px;border-radius:4px;color:var(--cream)}.canvas-hint{position:absolute;bottom:16px;left:12px;right:12px;text-align:center;font-size:9px;line-height:1.6;color:#f4efe4;text-shadow:0 1px 3px #000c;z-index:1;pointer-events:none}.viewer-toolbar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:12px;border-bottom:1px solid var(--line)}.tool-button{display:flex;align-items:center;justify-content:center;gap:6px;background:transparent;border:1px solid transparent;border-radius:6px;padding:8px 7px;font-size:10px;color:var(--muted);line-height:1.2}.tool-button>span:first-child{font-size:15px}.tool-button:hover{background:var(--panel)}.tool-button[aria-pressed=true]{background:#3c8e7e2b;color:var(--accent-light);border-color:#3c8e7e66}kbd{font:8px inherit;font-size:8px;opacity:.6;border:1px solid currentColor;border-radius:3px;padding:1px 3px;margin-left:3px}.model-info{padding:23px 22px 20px;min-height:173px}.model-info h2{font-size:23px;letter-spacing:-.6px;font-weight:600;line-height:1.2;margin:8px 0}.model-description{font-size:11px;color:var(--muted);line-height:1.7}.model-stats{display:grid;grid-template-columns:1fr auto;gap:15px;margin:20px 0 0;padding-top:16px;border-top:1px solid var(--line)}.model-stats dt{font-size:8px;letter-spacing:.6px;color:var(--muted);margin-bottom:6px}.model-stats dd{font-size:11px;margin:0}.model-stats dd small{font-size:9px;color:var(--muted);margin-left:4px}.loading-overlay{position:absolute;inset:0;z-index:3;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;padding:30px;background:#14191bf2;text-align:center;font-size:12px;line-height:1.6}.spinner{width:28px;height:28px;border:2px solid #fff4e022;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}.loading-overlay progress{width:min(230px,80%);height:4px;accent-color:var(--accent)}.empty-state{text-align:center;padding:50px 15px;color:var(--muted);font-size:12px}.empty-state>span{font-size:40px;color:var(--accent)}.empty-state h3{font-size:16px;color:var(--cream);margin:10px 0}.empty-state p{line-height:1.7;margin:10px 0 22px}.app-message{background:#c8462a22;border:1px solid #c8462a80;border-radius:8px;padding:16px;margin:18px 0;font-size:13px;line-height:1.7}.scene-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--deep);overflow:hidden}.scene-viewport{height:clamp(400px,53vh,700px)}.scene-bottom{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;gap:20px}.scene-bottom h2{font-size:22px;font-weight:550;letter-spacing:-.5px}.scene-bottom p{font-size:11px;color:var(--muted);margin-top:6px}.scene-bottom .viewer-toolbar{border:0;padding:0;gap:12px}.walk-crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--cream);text-shadow:0 0 3px #000;z-index:1;font-size:22px;pointer-events:none}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:28px 0;margin-top:26px;border-top:1px solid var(--line);font-size:9px;line-height:1.6;color:var(--muted)}.footer-divider{margin:0 9px;opacity:.5}.skip-link{position:fixed;top:-80px;left:12px;padding:12px;background:var(--accent);color:var(--deep);z-index:20;border-radius:6px}.skip-link:focus{top:12px}@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:1500px){.catalog-layout{grid-template-columns:195px minmax(430px,1fr) minmax(480px,1.15fr)}.asset-grid{grid-template-columns:repeat(3,minmax(130px,1fr))}}
@media(max-width:1150px){.site-header{padding:20px 24px}main{padding:0 24px}.catalog-layout{grid-template-columns:150px minmax(240px,.9fr) minmax(320px,1.1fr);gap:18px}.tool-button{padding:7px 5px;font-size:9px}.tool-button kbd{display:none}.asset-grid{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.asset-name{font-size:10px}.intro h1{font-size:34px}}
@media(max-width:920px){.catalog-layout{grid-template-columns:minmax(245px,.9fr) minmax(340px,1.1fr);gap:20px}.sidebar{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding:0}.sidebar>.section-label,.desktop-label,.category-list,.sidebar-note{display:none}.search-wrap{margin:0;width:280px}.category-select{display:block;border:1px solid var(--line);border-radius:8px;background:var(--deep);color:var(--cream);padding:12px;font-size:11px;max-width:260px;min-width:0}.mobile-filter-label{display:block;font-size:10px;color:var(--muted)}.viewport{height:360px}.model-info{padding:20px 16px}.model-info h2{font-size:21px}.scene-viewport{height:500px}}
@media(max-width:680px){main{padding:0 18px}.site-header{padding:18px;gap:10px}.brand{font-size:12px;gap:9px;letter-spacing:1px}.brand-icon{width:33px;height:33px;font-size:20px;border-radius:8px 8px 2px 8px}.brand small{display:none}.header-actions{gap:12px}.language-switch{gap:5px;font-size:10px}.button{font-size:10px;padding:10px 12px;gap:9px}.intro{padding:28px 0 22px;gap:12px}.intro h1{font-size:30px;letter-spacing:-1.1px;max-width:340px}.intro-copy{font-size:11px;max-width:300px}.eyebrow{font-size:7px;letter-spacing:1.1px}.intro-stamp{display:none}.view-bar{margin-bottom:18px}.tabs{gap:21px}.tab{font-size:11px;gap:7px}.preview-note{font-size:8px;text-align:right;max-width:95px}.catalog-layout{display:flex;flex-direction:column;gap:20px}.sidebar{width:100%;gap:10px;flex-wrap:wrap}.search-wrap{flex:1;min-width:160px}.mobile-filter-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.category-select{width:145px;max-width:45%;padding:12px 8px;font-size:10px}.library{width:100%}.asset-grid{grid-template-columns:repeat(3,minmax(0,1fr));max-height:335px;gap:10px}.asset-image{aspect-ratio:1.1}.asset-card-copy{padding:9px 7px}.asset-name{font-size:9px}.asset-meta{font-size:8px}.library-heading{margin-bottom:12px}.library-heading h2{font-size:12px}.inspector{position:static;width:100%}.viewport{height:360px}.viewer-toolbar{justify-content:space-between;padding:10px 8px;gap:3px}.tool-button{font-size:9px;padding:8px 5px;gap:5px}.panel-topline{font-size:7px;padding:13px 15px}.model-info{padding:20px}.model-info h2{font-size:23px}.model-stats dd{font-size:11px}.scene-viewport{height:470px}.scene-bottom{padding:18px;flex-direction:column;align-items:flex-start;gap:16px}.scene-bottom .viewer-toolbar{width:100%;justify-content:flex-start}.scene-bottom h2{font-size:21px}.site-footer{font-size:8px;margin-top:22px;align-items:flex-start;flex-direction:column;gap:6px;padding:20px 0}.canvas-hint{font-size:8px}.header-actions .button span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition:none!important;scroll-behavior:auto!important}}

/* Square sprite cells scale with each card without stretching or adjacent-cell bleed. */
.asset-image{aspect-ratio:1}
.asset-sprite{display:block;width:100%;height:100%;background-repeat:no-repeat}
.filter-chip{display:block;border:1px solid var(--line);border-radius:20px;padding:9px 12px;margin:0 0 24px;background:var(--deep);font-size:11px;color:var(--muted)}
.filter-chip[aria-pressed=true]{border-color:var(--accent);color:var(--accent-light);background:#3c8e7e2b}
.catalog-paging{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:15px;color:var(--muted);font-size:10px}
@media(max-width:920px){.sidebar{flex-wrap:wrap}.filter-chip{margin:0}}
@media(max-width:680px){.site-header{flex-wrap:wrap}.header-actions{flex-wrap:wrap;gap:10px}.asset-image{aspect-ratio:1}.filter-chip{font-size:10px}}

/* The scene copy and the cross-link. */
.scene-copy{flex:1;min-width:0}
.scene-copy p{max-width:560px;line-height:1.6}

.footer-link{color:var(--cream);text-decoration:underline;text-decoration-color:#fff4e040;text-underline-offset:3px}
.footer-link:hover{text-decoration-color:var(--accent)}
@media(max-width:1150px){.scene-bottom{flex-wrap:wrap}.scene-copy{flex-basis:100%}}
/* Short frames (itch.io embeds the demo at 1280x720): skip the intro so each view fits the frame. */
@media(min-width:921px) and (max-height:820px){.intro{display:none}.view-bar{margin-top:4px}.asset-grid{max-height:calc(100vh - 250px)}.scene-viewport{height:max(320px,calc(100vh - 340px))}}

/* The season switch: the kit's headline, in both views. */
.season-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-bottom:1px solid var(--line)}
.season-panel{display:flex;flex-direction:column;align-items:center;gap:8px;flex-shrink:0}
.season-switch{display:flex;align-items:stretch;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--navy);flex-shrink:0}
.season-button{display:flex;align-items:center;gap:6px;border:0;border-radius:7px;background:none;padding:9px 12px;font-size:11px;color:var(--muted);white-space:nowrap}
.season-button strong{font-size:14px;font-weight:650;color:var(--cream)}
.season-button:hover{background:var(--panel)}
.season-button[aria-pressed=true]{background:var(--vermilion);color:#fff3e4}
.season-button[aria-pressed=true] strong{color:#fff}
.season-divider{width:1px;margin:6px 3px;background:var(--line)}
.season-compact .season-button{padding:7px 9px;font-size:10px;gap:5px}
.season-compact .season-button strong{font-size:12px}
.season-caption{font-size:10px;line-height:1.5;color:var(--muted);text-align:center}
.season-row .season-caption{text-align:right}
@media(max-width:1500px){.season-compact .season-button span{display:none}}
@media(max-width:1150px){.season-panel{align-items:flex-start}.season-caption{text-align:left}}
@media(max-width:680px){.season-row{flex-wrap:wrap}.season-row .season-caption{text-align:left}.season-panel{width:100%}.season-switch{width:100%}.season-button{flex:1;justify-content:center;padding:9px 4px;flex-direction:column;gap:1px}.season-button kbd{display:none}.season-compact .season-button{flex-direction:row}}