:root{color-scheme:dark;--bg:#101b20;--panel:#19282c;--ink:#e5e6d9;--dim:#a9b7b5;--gold:#e5bb78;--line:#385052}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#243b40,var(--bg) 70%);color:var(--ink);font:16px/1.6 system-ui,sans-serif}button,input{font:inherit}button{border:1px solid var(--line);background:#20353a;color:var(--ink);padding:9px 14px;border-radius:4px;cursor:pointer}button:hover{border-color:var(--gold);background:#2d4548}button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}header{max-width:1320px;margin:auto;padding:32px 34px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}h1{font:32px/1.2 Georgia,serif;margin:8px 0}h1 span{font-size:20px;color:var(--gold);display:block;letter-spacing:.16em;margin-top:8px}h2{font:29px/1.2 Georgia,serif;margin:12px 0}.eyebrow{font-size:10px;letter-spacing:.17em;color:var(--gold)}.tools{display:flex;gap:8px;flex-wrap:wrap}.tools button{font-size:12px}main{max-width:1320px;margin:auto;padding:24px 34px;display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:30px}.location{display:flex;justify-content:space-between;font-size:11px;color:var(--dim);letter-spacing:.08em}#room-desc{min-height:52px;color:var(--dim)}#scene{position:relative;aspect-ratio:800/420;border:1px solid #526164;border-radius:6px;overflow:hidden;background:#12282e}#scene svg{width:100%;height:100%;display:block}.hotspot{position:absolute;transform:translate(-50%,-50%);background:#14272de8;padding:4px 9px;font-size:12px;border-color:#8fa6a4;color:#f1eee1;box-shadow:0 2px 12px #0008}.hotspot::before{content:'○ ';color:var(--gold)}#exits{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}#exits button{font-size:13px}.narrative{border-left:2px solid var(--gold);padding:6px 17px;margin:20px 0;background:#15252a}#log{max-height:250px;overflow:auto}#log p{margin:10px 0;font-family:Georgia,serif;font-size:18px}#log p:not(:last-child){color:#a0b2b3;font-size:15px}form label{display:block;font-size:12px;color:var(--dim);margin-bottom:7px}form>div{display:flex;gap:8px}input{min-width:0;width:100%;background:#0d1b20;border:1px solid var(--line);border-radius:4px;padding:11px;color:var(--ink)}aside{border-left:1px solid var(--line);padding-left:25px}.inventory-head{display:flex;align-items:center;justify-content:space-between}.inventory-head h2{font-size:23px}.muted,.small{color:var(--dim);font-size:12px}#inventory{display:grid;grid-template-columns:1fr 1fr;gap:7px}#inventory button{min-height:68px;font-size:12px;text-align:left}#inventory button b{display:block;font-size:20px;color:var(--gold);font-weight:400}#inventory .selected{border-color:var(--gold);background:#3a4134}#selected-panel{font-size:13px;margin:15px 0;color:var(--gold)}#selected-panel button{display:block;margin-top:8px;font-size:12px}.hint-box{border-top:1px solid var(--line);margin-top:27px;padding-top:20px}.hint-box p{font-size:12px;color:var(--dim)}dialog{max-width:650px;width:calc(100% - 32px);max-height:85vh;overflow:auto;background:#192c31;color:var(--ink);border:1px solid #7b9290;border-radius:8px;padding:28px}dialog::backdrop{background:#071217c9;backdrop-filter:blur(4px)}dialog p{line-height:1.8}dialog h2{color:var(--gold)}.close{float:right;font-size:12px}.choice{display:block;width:100%;margin:12px 0;padding:17px;text-align:left}.ending{font:22px/1.7 Georgia,serif}.code-form{margin-top:20px}#journal-list li{margin-bottom:18px} @media(max-width:850px){header{padding:20px;display:block}.tools{margin-top:20px}main{padding:20px;grid-template-columns:1fr}aside{border-left:0;border-top:1px solid var(--line);padding:20px 0}#inventory{grid-template-columns:repeat(3,1fr)}.hotspot{font-size:10px;padding:3px 5px}h1{font-size:28px}}@media(prefers-reduced-motion:no-preference){#scene{animation:arrive .5s ease}@keyframes arrive{from{opacity:.6}to{opacity:1}}}

/* v2: keep the scene, response and input within one viewport. */
body{height:100dvh;overflow:hidden}header{height:90px;padding:12px 24px;width:100%;max-width:none}h1{font-size:25px;margin:3px 0}h1 span{display:inline;font-size:16px;letter-spacing:.08em;margin-left:12px}.tools{align-items:center}main{max-width:none;width:100%;height:calc(100dvh - 90px);padding:16px 24px;grid-template-columns:minmax(0,1.25fr) minmax(360px,1fr);gap:24px}.world{min-height:0;display:flex;flex-direction:column;justify-content:center}#room-desc{font-size:14px;min-height:0;margin:6px 0 14px}#scene{width:100%;flex:0 1 auto;min-height:0;aspect-ratio:800/420;max-height:calc(100dvh - 270px)}#scene svg{height:100%;object-fit:contain}#exits{margin:10px 0}.hotspot{font-size:12px;min-height:30px}.location{letter-spacing:.03em}.world h2{font-size:26px;margin:8px 0}aside{display:flex;flex-direction:column;min-height:0;overflow:hidden;padding-left:24px}.narrative{display:flex;flex-direction:column;flex:1;min-height:130px;margin:0 0 12px;padding:10px 15px}#log{max-height:none;min-height:0;flex:1;overscroll-behavior:contain}#log p{font-size:17px}#log p:not(:last-child){font-size:14px}#command{order:10;flex:none;margin-top:10px}form label{font-size:11px}form>div{align-items:stretch}form button{white-space:nowrap}input{font-size:16px}.inventory-head h2{font-size:19px;margin:4px 0}.muted{margin:3px 0 7px;font-size:11px}#inventory{grid-template-columns:repeat(4,1fr);max-height:152px;overflow:auto;flex:none;gap:5px}#inventory button{min-height:48px;padding:5px 7px;font-size:11px}#inventory button b{font-size:16px;line-height:1.3}#selected-panel{margin:5px 0;font-size:12px;min-height:24px}#selected-panel button{display:inline;margin:0 0 0 6px;padding:4px 8px;font-size:11px}#cancel{padding:4px;font-size:11px}aside .small{display:none}.hint-box{display:flex;align-items:center;gap:10px;flex:none;margin:6px 0 0;padding:6px 0;border-top:1px solid var(--line)}.hint-box p{display:none}.hint-box .eyebrow{font-size:9px}.hint-box button{font-size:11px;padding:5px 8px}.volume-label{display:flex;align-items:center;gap:5px;color:var(--dim);font-size:11px}.volume-label input{width:70px;padding:0;accent-color:var(--gold)}#mobile-bag{display:none}.document-svg{width:100%;max-height:55dvh;display:block;border-radius:5px}.document-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.document-actions button{font-size:12px}.document-caption{color:var(--dim);font-size:13px}
@media(max-width:850px){header{height:68px;padding:8px 12px;display:flex;gap:10px}header .eyebrow{display:none}h1{font-size:18px}h1 span{display:block;margin:3px 0;font-size:12px}.tools{margin:0;gap:4px}.tools button{font-size:10px;padding:5px 7px}#help,#reset,.volume-label{display:none}#mobile-bag{display:inline-block}main{height:calc(100dvh - 68px);display:flex;flex-direction:column;padding:8px 12px;gap:8px}.world{flex:0 0 auto;justify-content:initial}#room-title{font-size:20px;margin:4px 0}.location{font-size:9px}#room-desc{font-size:12px;margin:3px 0 6px;line-height:1.4}#scene{aspect-ratio:800/420;height:auto;max-height:30dvh}#exits{gap:4px;margin:6px 0 0}#exits button{font-size:10px;padding:5px 7px}.hotspot{font-size:10px;padding:3px 5px;min-height:27px}aside{flex:1;min-height:0;border:0;padding:0}.narrative{min-height:65px;margin:0 0 4px;padding:4px 10px}#log p{font-size:15px;line-height:1.45;margin:5px 0}#log p:not(:last-child){font-size:12px}aside .inventory-head,aside>.muted,#inventory,#selected-panel,#cancel,.hint-box{display:none}aside.bag-open .inventory-head,aside.bag-open>.muted{display:flex}aside.bag-open #inventory{display:grid;grid-template-columns:repeat(4,1fr);max-height:118px}aside.bag-open #selected-panel{display:block}aside.bag-open #cancel:not([hidden]){display:block}aside.bag-open .hint-box{display:flex}#command{margin-top:3px}#command label{display:none}#command input{padding:8px}#command button{padding:6px 10px}dialog{padding:18px}dialog h2{font-size:24px}.close{padding:5px 8px}dialog .ending{font-size:18px}#selected-panel button{margin-left:0}.document-svg{max-height:52dvh}}
@media(max-width:850px) and (max-height:650px){#room-desc{display:none}#scene{max-height:24dvh}header{height:55px}main{height:calc(100dvh - 55px)}}

@media(min-width:851px){#scene{width:min(100%,calc((100dvh - 270px)*1.90476));max-height:none;flex:none;align-self:center}}
@media(max-width:850px){#scene{width:min(100%,57.1428dvh);max-height:none;flex:none;align-self:center}}
@media(max-width:850px) and (max-height:650px){#scene{width:min(100%,45.714dvh)}}