:root{color-scheme:dark;--cream:#f0e5c9;--gold:#eac77a;--muted:#a9bdb1;--ink:#12241e;--edge:#bdd5af30;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#132622;color:var(--cream)}[hidden]{display:none!important}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;transition:background .15s,transform .15s}button:hover:not(:disabled){filter:brightness(1.13)}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible{outline:2px solid #ffe8a0;outline-offset:3px}a{color:inherit;text-decoration:none}#app{height:100svh;position:relative;isolation:isolate}#world{position:absolute;inset:0;width:100%;height:100%;outline:none;touch-action:none}.shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,#081613b8 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17px;font-size:16px}.intro>small{font-size:11px;color:#acb9a6}.eyebrow{margin:0}.world-label{position:absolute;z-index:2;font-size:11px;font-weight:600;color:#fff1c9;text-shadow:0 2px 5px #001;padding:4px 9px;background:#183329c9;border:1px solid #dcd49350;border-radius:20px;transform:translate(-50%,-100%);pointer-events:none;white-space:nowrap}.world-label.inactive{background:#12281ca1;opacity:.65}.world-label kbd{font-size:9px;margin-left:4px;opacity:.55}.target-label{position:absolute;z-index:2;pointer-events:none;transform:translate(-50%,-100%);font-size:11px;color:#f8db87;text-shadow:0 2px 5px #06160e}.bottom-bar{position:absolute;z-index:3;bottom:41px;left:3.5%;right:3.5%;display:flex;align-items:center;justify-content:space-between;gap:14px}.crew{display:flex;gap:10px}.friend{display:flex;align-items:center;gap:10px;min-width:137px;background:#10291fce;backdrop-filter:blur(16px);border:1px solid #849b713b;border-radius:9px;padding:9px 12px;text-align:left;box-shadow:0 5px 25px 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p:not(.eyebrow){color:#bed0b9;font-size:15px;line-height:1.7;white-space:pre-line}#dialog-actions{display:flex;flex-direction:column;gap:10px;margin-top:22px}#dialog-actions button{padding:14px;font-size:14px}#toast{position:absolute;z-index:6;left:50%;top:130px;transform:translateX(-50%);padding:10px 17px;color:#12241e;background:#efd590;border-radius:9px;font-size:13px;max-width:85vw;text-align:center;opacity:0;pointer-events:none;transition:opacity .15s}#toast.show{opacity:1}.loading{position:absolute;inset:0;display:grid;place-items:center;z-index:10;background:#112820;font:16px Georgia}.loading.error{padding:30px;text-align:center}.dpad{display:grid;grid-template-columns:repeat(3,39px);grid-template-rows:repeat(2,32px);gap:3px}.dpad button{border:1px solid #afc48948;border-radius:6px;background:#1b342aca;backdrop-filter:blur(9px);font-size:20px;touch-action:none;user-select:none;-webkit-user-select:none}.dpad button[data-dir=up]{grid-column:2}.dpad button[data-dir=left]{grid-row:2;grid-column:1}.dpad button[data-dir=down]{grid-row:2;grid-column:2}.dpad button[data-dir=right]{grid-row:2;grid-column:3}
@media(max-width:800px){header{top:16px;gap:14px}.chapter{padding-left:14px}.chapter small{font-size:8px}.chapter h1{font-size:23px}.objectives{top:83px;gap:13px;font-size:10px}.bottom-bar{bottom:33px;gap:8px;flex-wrap:wrap}.friend{min-width:105px;padding:8px;gap:7px}.friend kbd{display:none}.history button span,.history kbd{display:none}.action{padding:10px 12px;min-height:43px}.action kbd{display:none}.message{bottom:106px;font-size:12px}.keyboard-guide{font-size:8px}}
@media(max-width:600px){header{left:5%;right:5%;top:14px}.wordmark{font-size:25px}.chapter small{display:none}.chapter h1{font-size:22px;margin:0}.options{gap:5px}.options button{width:30px;height:30px}.objectives{top:64px;left:5%;font-size:9px;gap:10px}.intro{left:8%;width:84%;top:auto;bottom:35px;transform:none;padding:0}.intro h2{font-size:35px;margin:12px 0}.intro p:not(.eyebrow){font-size:14px;max-width:285px;margin:12px 0}.intro>small{font-size:10px}.intro .primary{max-width:300px;margin:18px 0 10px;padding:13px 18px}.intro:before{inset:-35px -60px;background:radial-gradient(ellipse,#071813ec,transparent 75%)}.bottom-bar{bottom:108px;left:4%;right:4%;gap:8px}.crew{gap:7px;flex:1}.friend{flex:1;min-width:0;padding:8px 10px}.friend strong{font-size:13px}.friend small{font-size:8px}.portrait{font-size:24px}.action-controls{width:100%;order:3;gap:7px}.action{flex:1;justify-content:center;font-size:12px;min-height:39px;padding:8px 12px}.history{gap:4px}.history button{padding:7px 9px;min-height:36px}.history #pause{display:none}.message{bottom:216px;font-size:11px;padding:7px 13px;border-radius:12px;max-width:92vw;width:max-content}.touch-row{display:flex;position:absolute;z-index:3;left:7%;right:7%;bottom:20px;justify-content:space-between;align-items:center;gap:30px}.touch-row p{font-size:10px;line-height:1.6;color:#b1c4aa}.keyboard-guide{display:none}.world-label{font-size:10px;padding:3px 7px}.world-label kbd{display:none}#toast{top:95px;font-size:12px}}
@media(max-height:620px) and (min-width:601px){header{top:12px}.chapter small{display:none}.objectives{top:63px}.bottom-bar{bottom:28px}.message{bottom:97px;font-size:11px}.intro{top:45%;left:5%;width:290px}.intro h2{font-size:36px}.intro p:not(.eyebrow){font-size:14px}.intro .primary{margin-top:15px;padding:12px 17px}}
@media(max-height:650px) and (max-width:600px){.message{bottom:190px;font-size:10px}.bottom-bar{bottom:88px}.touch-row{bottom:8px}.dpad{grid-template-rows:repeat(2,29px)}.intro h2{font-size:30px}.intro>p:not(.eyebrow){font-size:13px}.intro{bottom:23px}.friend{padding:5px 8px}.action{min-height:34px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.intro h2,.touch-row p{white-space:pre-line}
.next-room{display:block;margin-top:16px;font-size:12px;color:#e3d395;text-decoration:underline;text-underline-offset:4px}
.friend.out-of-reach{opacity:.48}.friend small{letter-spacing:.02em}#world{cursor:grab}#world:active{cursor:grabbing}#view{font-size:21px}
.loading{background:linear-gradient(#0b2118cf,#0b2118ef),url('assets/title-art.webp') center/cover}
@media(max-width:600px){
  .bottom-bar{bottom:18px;left:166px;right:16px;gap:8px}
  .crew{width:100%;gap:6px}.friend{min-height:44px;padding:7px;gap:6px}.friend .portrait{font-size:20px}.friend small{font-size:6.8px;white-space:nowrap}.friend strong{font-size:12px}
  .action{min-height:44px;padding:8px 5px;font-size:11px}.action-controls{gap:6px}
  .history{position:absolute;bottom:calc(100% + 12px);right:0}.history button{min-width:38px;min-height:38px}
  .message{bottom:128px;left:16px;transform:none;width:calc(100% - 112px);max-width:unset;font-size:10px;min-height:38px;padding:7px 10px;display:grid;align-items:center}
  .touch-row{left:15px;right:auto;bottom:18px;width:140px;display:block}.dpad{grid-template-columns:repeat(3,44px);grid-template-rows:repeat(2,44px);gap:4px}
  .touch-row p{position:absolute;bottom:100%;left:0;font-size:8px;line-height:1.3;width:125px;margin:0 0 6px;display:none}
}
@media(max-width:380px){header{gap:8px;left:4%;right:4%}.chapter{padding-left:8px}.chapter h1{font-size:18px}.wordmark{font-size:23px}.options{gap:3px}.options button{width:28px;height:28px}.bottom-bar{left:154px;right:10px}.friend .portrait{display:none}.touch-row{left:10px}}

/* The real character models are rendered once into a tiny atlas. Initials
   remain as a graceful fallback if a browser cannot spare a WebGL context. */
.portrait-3d{position:relative;display:inline-grid;place-items:center;width:1em;height:1em;flex:0 0 1em;overflow:hidden;background-color:#0c211d;background-image:radial-gradient(circle at 48% 38%,#3b5a49,#0c211d 72%);background-size:5em 1em;background-position:var(--portrait-x) 0;background-repeat:no-repeat;border-radius:50%;box-shadow:0 0 0 1px #f0d99b4f;image-rendering:auto}
.portrait-fallback{font:700 .44em/1 ui-monospace,SFMono-Regular,monospace;color:#f3dda0;transition:opacity .12s}
.portrait-3d.portrait-ready .portrait-fallback{opacity:0}
.friend.active .portrait-3d{box-shadow:0 0 0 1px #ffe4a2,0 0 .42em #eac77a70}

/* One quiet chapter rail connects the separate deterministic experiments.
   It remains navigation, never a lock: finished chapters can always be replayed. */
.wordmark>b{margin-left:.2em;color:#f0ce70;font:800 .34em/1 ui-monospace,SFMono-Regular,monospace;letter-spacing:0}.campaign-rail{position:absolute;z-index:4;top:75px;right:3.5%;display:flex;align-items:center;gap:4px;padding:5px;border:1px solid #d5c5852b;border-radius:20px;background:#0c211bc2;box-shadow:0 5px 24px #0018;backdrop-filter:blur(12px)}.campaign-rail a{position:relative;flex:0 0 27px;width:27px;min-width:27px;height:27px;display:flex;align-items:center;justify-content:center;border-radius:14px;color:#a9bbaa;font:700 9px ui-monospace,SFMono-Regular,monospace;transition:background .16s,color .16s}.campaign-rail a span{display:grid;place-items:center;width:22px;height:22px;border:1px solid #aabe9d30;border-radius:50%}.campaign-rail a b{position:absolute;right:50%;top:calc(100% + 9px);display:block;padding:6px 9px;white-space:nowrap;border:1px solid #d5c58538;border-radius:6px;background:#091a16ed;box-shadow:0 8px 24px #0009;color:#f3e3b6;font:700 10px ui-monospace,SFMono-Regular,monospace;line-height:1;opacity:0;visibility:hidden;pointer-events:none;transform:translate(50%,-3px);transition:opacity .14s,transform .14s,visibility 0s linear .14s}.campaign-rail a:last-child b{right:0;transform:translateY(-3px)}.campaign-rail a:hover,.campaign-rail a:focus-visible{background:#294337;color:#f3e3b6}.campaign-rail a:hover b,.campaign-rail a:focus-visible b{opacity:1;visibility:visible;transform:translate(50%,0);transition-delay:0s}.campaign-rail a:last-child:hover b,.campaign-rail a:last-child:focus-visible b{transform:translateY(0)}.campaign-rail a.complete span{color:#173023;background:#b9ce7d;border-color:#e8dfaa}.campaign-rail a[aria-current=page]{color:#ffe3a0;background:#4a4b2f}.campaign-rail .campaign-home-link{flex-basis:31px;width:31px;min-width:31px;color:#f0ce70;border-right:1px solid #d5c58538;border-radius:13px 0 0 13px;margin-right:2px}

/* Reusable WebXR entry treatment for every chapter. */
.xr-launches{display:grid;gap:7px;margin:-7px 0 8px}.xr-launch{width:100%;min-height:44px;padding:10px 14px;display:flex;align-items:center;justify-content:center;gap:9px;color:#f4e0b1}.xr-launch#enter-ar{border-color:#91d6ba80;color:#d5f5e7;background:#1a524a88}.xr-note{margin:2px 0 9px!important;color:#d7c58f!important;font-size:12px!important;line-height:1.45!important}.options #vr,.options #ar{width:42px;border-color:#e2c77f80;color:#ffe6a3;font-size:9px;font-weight:800}.options #ar{border-color:#91d6ba80;color:#c8f4df}body.xr-presenting header,body.xr-presenting .shade,body.xr-presenting .objectives,body.xr-presenting #view-tools,body.xr-presenting #hud,body.xr-presenting #labels,body.xr-presenting .world-label,body.xr-presenting .target-label,body.xr-presenting #toast,body.xr-presenting dialog,body.xr-presenting .campaign-rail{display:none!important}

@media(max-width:800px),(hover:none){.campaign-rail{top:61px}.campaign-rail a b{display:none!important}}
@media(max-width:600px){.campaign-rail{top:54px;right:5%;padding:3px;gap:2px}.campaign-rail a{flex-basis:23px;width:23px;min-width:23px;height:23px}.campaign-rail a span{width:19px;height:19px;font-size:8px}.campaign-rail .campaign-home-link{flex-basis:25px;width:25px;min-width:25px}.xr-launch{font-size:12px;min-height:40px}}

body.campaign-leaving #app{animation:campaign-chapter-leave .25s ease both;pointer-events:none}
@keyframes campaign-chapter-leave{to{opacity:0;filter:blur(4px);transform:scale(1.006)}}