@font-face{font-family:ACinzel;src:url('../fonts/Cinzel-Variable.ttf') format('truetype');font-display:swap}
body[data-room] .topbar .platform-nav{grid-template-columns:repeat(5,minmax(0,1fr))}
body[data-room] .topbar .platform-nav button[data-platform=chess]{color:#e5bc78}
.chess-atelier-bridge{margin:25px 0;padding:24px;border:1px solid #c6a46b66;background:#0a111c;border-radius:6px;color:#e7d4b2}.chess-atelier-bridge h2{font:23px ACinzel,Georgia,serif}.chess-atelier-bridge p{font-size:12px;color:#b7b1a4;line-height:1.7}.chess-atelier-bridge button{padding:12px 18px;border:1px solid #c6a46b;background:#18202c;color:#efd7ac;cursor:pointer}
@media(max-width:650px){body[data-room] .topbar .platform-nav button{font-size:7px!important;padding-inline:1px!important}}
.ac-app{--ac-accent:#e5bc78;position:fixed;inset:0;z-index:100;background:#080b0f;color:#eee7d9;font:14px/1.5 Arial,Helvetica,sans-serif;overflow:auto;overscroll-behavior:contain;isolation:isolate;text-align:left;color-scheme:dark}
.ac-app[hidden],.ac-app [hidden]{display:none!important}.ac-app *{box-sizing:border-box}.ac-app button{font:inherit;letter-spacing:normal;text-transform:none;cursor:pointer;color:inherit;border:0;background:none;min-width:0;box-shadow:none;touch-action:manipulation}.ac-app button:disabled{opacity:.33;cursor:not-allowed}.ac-app button:focus-visible,.ac-app summary:focus-visible{outline:2px solid var(--ac-accent);outline-offset:5px}.ac-app h1,.ac-app h2,.ac-app h3,.ac-app p{margin:0}.ac-app h1,.ac-app h2,.ac-app h3{font-family:ACinzel,Georgia,serif;font-weight:500;line-height:1.2}.ac-atmosphere{position:fixed;inset:0;z-index:-3;background-size:cover;background-position:center 20%;opacity:.36;transition:background-image 1s}.ac-grain{position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(ellipse at 70% 35%,transparent,#080b0f 90%),linear-gradient(90deg,#080b0f8a,transparent 60%)}
.ac-header{display:flex;align-items:center;justify-content:space-between;gap:30px;max-width:1500px;margin:auto;padding:27px 48px;border-bottom:1px solid #ffffff15;background:none;position:relative;min-height:0;box-shadow:none;width:100%}.ac-app .ac-brand{display:flex;gap:14px;align-items:center;font:22px/1.2 ACinzel,Georgia,serif;letter-spacing:5px;padding:0}.ac-brand small{display:block;font:9px/1 Arial,sans-serif;letter-spacing:6px;margin-top:7px}.ac-brand-mark{display:grid;place-items:center;width:42px;height:48px;border:1px solid #dfc08b75;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);background:linear-gradient(135deg,#c0a06c35,transparent);font-size:28px;color:var(--ac-accent);letter-spacing:0}.ac-navigation{display:flex;gap:30px;align-items:center;position:static;background:none;border:0}.ac-app .ac-navigation button{font-size:12px;position:relative;padding:12px 0;color:#b3b5b7}.ac-app .ac-navigation .ac-active{color:var(--ac-accent)}.ac-active:after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:var(--ac-accent)}.ac-app .ac-icon-btn{border:1px solid #ffffff24;border-radius:30px;padding:9px 15px;color:#c6c4c1;font-size:11px}.ac-icon-btn:before{content:'◉';margin-right:8px;color:var(--ac-accent)}
.ac-main{max-width:1440px;margin:auto;padding:40px 48px 20px;display:block;width:100%;position:relative;min-height:0}.ac-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:30px}.ac-app .ac-eyebrow{font-size:9px;font-weight:600;letter-spacing:2.5px;color:var(--ac-accent);line-height:1.8}.ac-heading h1{font-size:clamp(25px,2.8vw,39px);margin-top:12px;letter-spacing:-.5px}.ac-edition{display:flex;flex-direction:column;align-items:flex-end;gap:3px;color:#92938f;font-size:8px;letter-spacing:2px}.ac-edition strong{color:#d7c6a9;font:25px/1.3 ACinzel,Georgia,serif;letter-spacing:2px}.ac-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:35px;align-items:start}.ac-journey{padding:25px 0 20px}.ac-journey h2{font-size:20px;margin:8px 0}.ac-app .ac-muted{color:#92918e;font-size:11px}.ac-worlds{margin-top:30px;display:grid;gap:6px}.ac-world{position:relative;padding:15px 12px 14px 0;border-bottom:1px solid #ffffff0d;color:#8d8f93}.ac-world:before{content:'';position:absolute;top:0;bottom:0;left:-16px;width:1px;background:#ffffff10}.ac-world.ac-current:before{background:var(--ac-accent);box-shadow:0 0 12px var(--ac-accent)}.ac-world-head{display:flex;align-items:center;gap:12px}.ac-world-number{font-size:10px;letter-spacing:1px;color:#8b7e6d}.ac-world-head strong{font-size:12px;font-weight:400;flex:1}.ac-current .ac-world-head strong{color:#eee4cf}.ac-world-state{color:var(--ac-accent);font-size:14px}.ac-levels{display:flex;gap:7px;padding-left:25px;margin-top:12px}.ac-app .ac-level{padding:5px 10px;min-width:34px;font-size:10px;border:1px solid #ffffff12;border-radius:4px;color:#a5a3a0}.ac-app .ac-level[aria-current=true]{background:color-mix(in srgb,var(--ac-accent) 15%,transparent);border-color:var(--ac-accent);color:var(--ac-accent)}.ac-app .ac-level:enabled:hover{border-color:var(--ac-accent)}.ac-progress{margin-top:28px}.ac-progress>span{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.5px;color:#aaa39b}.ac-progress strong{color:var(--ac-accent)}.ac-progress-track{height:2px;background:#ffffff12;margin:10px 0 12px}.ac-progress-track span{display:block;height:100%;background:var(--ac-accent);transition:width .5s}.ac-progress small{font-size:10px;color:#797e83;line-height:1.5;display:block}.ac-app .ac-link{font-size:11px;padding:12px 0;color:var(--ac-accent);display:flex;align-items:center;justify-content:space-between;text-align:left;gap:10px}.ac-app .ac-world-note{font-size:10px;color:#7f868c;margin-top:12px;line-height:1.8}.ac-app .ac-expedition{border:1px solid var(--ac-accent);padding:10px;border-radius:5px;font-size:12px;color:var(--ac-accent);margin-top:15px}
.ac-stage{border:1px solid #dcc28d33;background:linear-gradient(140deg,#11191bc9,#080c13ed);border-radius:4px;overflow:hidden;position:relative;box-shadow:0 25px 85px #0004}.ac-stage-head{position:absolute;left:28px;top:24px;right:28px;z-index:2;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.ac-stage-head h2{font-size:20px;margin-top:7px}.ac-turn{font-size:10px;color:#bbb5a8;border:1px solid #ffffff20;padding:6px 12px;border-radius:30px;background:#0b1116aa}.ac-board-shell{height:520px;min-height:440px;position:relative;isolation:isolate}.ac-board-light{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 55% 55%,color-mix(in srgb,var(--ac-accent) 10%,transparent),transparent 68%);opacity:.7;transition:background 1s}.ac-app #ac-canvas{display:block;position:absolute;inset:0;width:100%;height:100%;touch-action:pan-y;outline:none;z-index:1}.ac-palette-row{display:flex;align-items:center;gap:15px;padding:0 28px 20px;position:relative;z-index:2;font-size:8px;letter-spacing:1.7px;color:#8d8d89}.ac-palette-row>div{display:flex;gap:9px;align-items:center}.ac-app .ac-swatch{width:14px;height:14px;border-radius:50%;padding:0;background:var(--swatch);border:3px solid #101319;box-shadow:0 0 0 1px #ffffff20}.ac-app .ac-swatch[aria-pressed=true]{box-shadow:0 0 0 1px var(--swatch),0 0 15px color-mix(in srgb,var(--swatch) 40%,transparent)}.ac-palette-name{margin-left:auto;color:#c1b6a3;font-size:10px;letter-spacing:0}.ac-mission{border-top:1px solid #dbc18825;display:flex;align-items:center;gap:14px;padding:20px 25px;background:#080b10b3}.ac-mission-icon{font-size:30px;color:var(--ac-accent)}.ac-mission>div:nth-child(2){flex:1}.ac-mission strong{font-size:12px;font-weight:400;color:#e1d2ba}.ac-mission p{font-size:10px;color:#939797;max-width:380px;margin-top:4px;min-height:30px}.ac-actions{display:flex;gap:6px;flex-shrink:0}.ac-app .ac-secondary{border:1px solid #ffffff20;border-radius:4px;padding:9px 12px;font-size:10px;color:#c7c4bb}.ac-app .ac-secondary:hover{border-color:var(--ac-accent);color:var(--ac-accent)}.ac-result{position:absolute;z-index:5;left:50%;top:53%;transform:translate(-50%,-50%);width:min(85%,360px);text-align:center;background:#0b1015f2;border:1px solid var(--ac-accent);box-shadow:0 20px 100px #000d;border-radius:8px;padding:30px;backdrop-filter:blur(10px)}.ac-result h3{font-size:36px;margin:8px 0 15px}.ac-result p{font-size:12px;color:#b7b9b6;margin-bottom:22px}.ac-app .ac-primary{background:linear-gradient(120deg,#f4dfae,var(--ac-accent));color:#181b20;border:1px solid #e8d8ae;padding:13px 22px;width:100%;border-radius:3px;font-size:12px;font-weight:600;box-shadow:0 0 30px #dac18b20}.ac-result .ac-link{margin:6px auto 0;text-align:center;justify-content:center}.ac-inspector-note{position:absolute;bottom:22px;left:0;right:0;z-index:2;text-align:center;pointer-events:none}.ac-inspector-note h3{font-size:26px;margin:5px 0}.ac-inspector-note p{font-size:11px;color:#a7aaa6;margin:5px 0 12px}.ac-inspector-note button{pointer-events:auto;background:#080d14d9!important}.ac-render-fallback{position:absolute;left:20px;right:20px;top:40%;z-index:3;text-align:center;color:#e6c28a;font-size:14px}
.ac-collection{border-top:1px solid #ffffff19;margin-top:42px;padding-top:28px}.ac-collection-heading{display:flex;justify-content:space-between;align-items:end;gap:25px}.ac-collection-heading h2{font-size:23px;margin-top:8px}.ac-collection-heading>p{font-size:10px;line-height:1.7;color:#8f9594;max-width:280px;text-align:right}.ac-pieces{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-top:22px}.ac-app .ac-piece-card{border:1px solid #ffffff13;display:flex;flex-direction:column;align-items:center;background:linear-gradient(155deg,#ffffff05,transparent);border-radius:3px;padding:17px 10px;transition:background .2s,border-color .2s,transform .2s}.ac-app .ac-piece-card:hover{background:#c9b4830c;border-color:#d3b57960;transform:translateY(-4px)}.ac-piece-number{font-size:7px;letter-spacing:2px;color:#827d72;align-self:flex-start}.ac-piece-glyph{font:54px/1.5 Georgia,serif;color:var(--ac-accent);text-shadow:1px 1px 0 #634719,0 0 25px #d1bc6f27}.ac-piece-card strong{font:13px/1.4 ACinzel,Georgia,serif;white-space:nowrap}.ac-piece-card small{font-size:9px;color:#888e8e;margin-top:6px}.ac-accessible{margin-top:27px;color:#a4aaa9;font-size:11px;border:1px solid #ffffff13;padding:13px 20px;border-radius:4px}.ac-accessible summary{cursor:pointer;color:#b8b9b0}.ac-accessible p{max-width:700px;margin:15px auto;line-height:1.8}.ac-grid{display:grid;grid-template-columns:repeat(6,1fr);width:min(100%,360px);margin:20px auto;gap:2px;background:#171e24;padding:5px}.ac-app .ac-cell{aspect-ratio:1;font-size:23px;background:#273039;color:#faf2e0;border:2px solid transparent;padding:0}.ac-app .ac-cell[data-light=true]{background:#56606a}.ac-app .ac-cell[data-side=enemy]{color:#11151d;text-shadow:0 0 2px white}.ac-app .ac-cell[data-legal=true]{box-shadow:inset 0 0 0 3px #9dd8bd}.ac-app .ac-cell[data-selected=true]{border-color:#f1cb89}.ac-footer{padding:28px 0 8px;display:flex;justify-content:space-between;gap:20px;color:#646e73;font-size:8px;letter-spacing:1px;background:none;position:static}.ac-app .ac-footer button{font-size:9px;color:#969d9b;padding:0}.ac-app[data-motion=off] *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(min-width:1450px){.ac-board-shell{height:590px}.ac-journey{padding-top:38px}.ac-world{padding-top:20px;padding-bottom:20px}}
@media(max-width:1100px){.ac-header{padding:20px 28px}.ac-main{padding:30px 28px 20px}.ac-layout{grid-template-columns:205px minmax(0,1fr);gap:25px}.ac-board-shell{height:480px}.ac-navigation{gap:20px}.ac-mission{flex-wrap:wrap}.ac-actions{width:100%;justify-content:flex-end}.ac-mission p{min-height:0}.ac-stage-head{left:20px;right:20px}.ac-piece-card strong{font-size:10px}}
@media(max-width:760px){.ac-header{padding:16px 18px;gap:12px;flex-wrap:wrap}.ac-app .ac-brand{font-size:18px;letter-spacing:4px}.ac-brand-mark{height:35px;width:32px;font-size:23px}.ac-brand small{font-size:7px;margin-top:5px;letter-spacing:4px}.ac-app .ac-icon-btn{font-size:9px;padding:7px 10px}.ac-navigation{order:3;justify-content:space-around;width:100%;gap:10px}.ac-app .ac-navigation button{font-size:11px;padding:7px 0}.ac-main{padding:24px 14px 16px}.ac-heading{margin-bottom:22px;align-items:start}.ac-heading .ac-eyebrow{font-size:7px;letter-spacing:1.5px;max-width:270px}.ac-heading h1{font-size:25px;max-width:280px;margin-top:9px}.ac-edition{font-size:6px;letter-spacing:1px;min-width:57px}.ac-edition strong{font-size:17px}.ac-edition>span:last-child{display:none}.ac-layout{display:flex;flex-direction:column;gap:20px}.ac-stage{width:100%;order:1}.ac-journey{order:2;width:100%;padding:4px 7px 0}.ac-journey>h2{font-size:18px}.ac-worlds{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin-top:18px}.ac-world{border:1px solid #ffffff15;padding:10px 3px!important;border-radius:4px;background:#080d1359}.ac-world:before{display:none}.ac-world.ac-current{border-color:var(--ac-accent)}.ac-world-head{gap:0;display:flex;flex-direction:column;text-align:center}.ac-world-number{font-size:12px;color:var(--ac-accent);margin-bottom:5px}.ac-world-head strong{font-size:8px;max-width:65px;line-height:1.3;min-height:22px}.ac-world-state{display:none}.ac-levels{padding:0;margin-top:9px;gap:3px;justify-content:center}.ac-app .ac-level{font-size:8px;padding:4px 3px;min-width:17px;border:0}.ac-progress{margin-top:17px}.ac-world-note{display:none}.ac-journey .ac-link{padding-bottom:0}.ac-stage-head{left:16px;right:16px;top:17px}.ac-stage-head h2{font-size:17px;margin-top:4px}.ac-stage-head .ac-eyebrow{font-size:7px;letter-spacing:1.6px}.ac-board-shell{height:425px;min-height:0}.ac-turn{font-size:8px;padding:5px 8px}.ac-palette-row{padding:0 16px 15px;gap:11px;flex-wrap:wrap}.ac-palette-row>span:first-child{font-size:7px;letter-spacing:1px}.ac-palette-name{font-size:9px}.ac-mission{padding:16px;gap:10px}.ac-mission strong{font-size:11px}.ac-mission p{font-size:10px}.ac-actions{justify-content:stretch;gap:8px}.ac-actions button{flex:1;padding:11px 8px!important;font-size:11px!important}.ac-collection{margin-top:28px;padding-top:22px}.ac-collection-heading{display:block}.ac-collection-heading h2{font-size:20px}.ac-collection-heading>p{text-align:left;margin-top:10px;max-width:100%}.ac-pieces{grid-template-columns:repeat(3,1fr);gap:9px;margin-top:18px}.ac-app .ac-piece-card{padding:12px 7px}.ac-piece-glyph{font-size:42px}.ac-piece-card strong{font-size:11px}.ac-piece-card small{font-size:8px}.ac-footer{flex-wrap:wrap;justify-content:center;font-size:7px;gap:10px;text-align:center}.ac-result{padding:24px}.ac-result h3{font-size:30px}.ac-inspector-note h3{font-size:23px}}
@media(max-width:380px){.ac-board-shell{height:370px}.ac-palette-name{display:none}.ac-heading h1{font-size:22px}.ac-world-head strong{font-size:7px}.ac-levels{gap:0}}
@media(prefers-reduced-motion:reduce){.ac-app *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep museum previews crisp and touch targets independent of their ornaments. */
.ac-app .ac-piece-thumbnail{display:block;width:100%;max-height:130px;object-fit:contain;margin:6px 0 8px;pointer-events:none}
.ac-app .ac-swatch{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;min-width:44px;padding:0;background:none;border:0;border-radius:50%;box-shadow:none}
.ac-app .ac-swatch:before{content:'';display:block;width:14px;height:14px;border-radius:50%;background:var(--swatch);box-shadow:0 0 0 3px #101319,0 0 0 4px #ffffff20}
.ac-app .ac-swatch[aria-pressed=true]{box-shadow:none}
.ac-app .ac-swatch[aria-pressed=true]:before{box-shadow:0 0 0 3px #101319,0 0 0 4px var(--swatch),0 0 15px color-mix(in srgb,var(--swatch) 40%,transparent)}
.ac-app .ac-palette-row{flex-wrap:wrap}
.ac-app .ac-palette-row>div{gap:2px}
@media(max-width:760px){
  .ac-app .ac-worlds{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:160px;gap:10px;overflow-x:auto;padding:0 0 10px;scroll-snap-type:x proximity;overscroll-behavior-inline:contain}
  .ac-app .ac-world{min-width:160px;padding:12px 5px!important;scroll-snap-align:start}
  .ac-app .ac-world-head strong{font-size:11px;max-width:140px;min-height:29px}
  .ac-app .ac-levels{gap:4px}
  .ac-app .ac-level{display:grid;place-items:center;flex:0 0 44px;min-width:44px;min-height:44px;font-size:12px;padding:6px 0;border:1px solid #ffffff18}
  .ac-app .ac-expedition{margin-top:0;min-height:44px;scroll-snap-align:start}
  .ac-app .ac-navigation button,.ac-app .ac-icon-btn{min-height:44px}
  .ac-app .ac-palette-row{column-gap:8px;row-gap:0}
  .ac-app .ac-palette-row>span:first-child{font-size:9px}
}
@media(max-width:650px){
  body[data-room] .topbar .platform-nav button{font-size:10px!important;min-height:44px;padding-inline:2px!important}
}
@media(max-width:380px){
  body[data-room] .topbar .platform-nav{grid-template-columns:repeat(3,minmax(0,1fr))}
}