/* Studio supplies the theme, conversation and Rolldown surfaces. The guide
   uses the native full-page scrolling rail from web/static/mobile-rail.css. */
.presents-shell{padding-top:52px;display:flex;flex-direction:column;height:100dvh;overflow:hidden}
.presents-shell [hidden]{display:none!important}
.presents-shell main :where(button,select){font:inherit;color:var(--text);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:6px;padding:7px 11px;cursor:pointer}
.presents-shell button:disabled{opacity:.4;cursor:default}
.presents-shell :focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}
.presents-shell .studio-lanes{height:52px;padding:0 18px;gap:8px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}
.studio-brand{min-width:0}.studio-destinations{display:flex;gap:4px}.studio-actions{display:flex;justify-content:flex-end}
.presents-shell .studio-lanes button{border:0;background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.presents-private{font:11px var(--font-mono);color:var(--text-muted)}
.skip-link{position:fixed;top:-60px;z-index:100;background:var(--bg);color:var(--text);padding:12px}.skip-link:focus{top:0}
#main{flex:1;min-height:0;outline:none}.view{height:100%;min-height:0;overflow:hidden}
#now-view{position:relative;display:flex;flex-direction:column;width:100%}
.district-title{position:absolute;top:18px;left:22px;margin:0;z-index:3;pointer-events:none;font-size:inherit}
.world-heading{position:absolute;right:22px;top:18px;z-index:4;display:flex;gap:6px}
.world-stage{flex:1;min-height:0;position:relative}#worldCanvas{position:absolute;inset:0}
.world-notice{position:absolute;left:20px;bottom:240px;background:var(--bg);z-index:5;font-size:12px;padding:10px}
#world-guide{position:relative;flex:0 0 clamp(205px,26dvh,255px);min-height:0;margin:0 18px 12px;padding:0;gap:0;overflow:hidden}
/* These are Studio's native rail rules, scoped to the two-page Presents host. */
#world-guide .mobile-rail-pages{display:flex;flex:1;min-height:0;width:100%;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none}
#world-guide .mobile-rail-pages::-webkit-scrollbar{display:none}
#world-guide .mobile-rail-page{position:relative;flex:0 0 100%;width:100%;min-width:0;min-height:0;overflow-y:auto;overflow-x:hidden;scroll-snap-align:start;scroll-snap-stop:always;padding:18px 24px;overscroll-behavior-y:contain}
#world-guide .mobile-rail-page[data-page="chat"]{display:flex;flex-direction:column;gap:12px;overflow:hidden}
.guide-scroll{min-height:0;flex:1;overflow:auto;scrollbar-width:thin;padding-right:28px}
#world-guide .message{margin:0;max-width:100%;animation:none}
#world-guide .message-text{font-size:14px;max-width:80ch;white-space:normal}
#room-title{font:500 16px var(--font-sans);margin:0 0 9px;color:var(--text)}
#room-description{font-size:14px;line-height:1.55;white-space:pre-line;margin:0}
#room-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;font-size:12px}
#room-actions a{padding:8px 12px;border:1px solid var(--glass-border);border-radius:6px;color:var(--cyan);text-decoration:none}
#close-room{position:absolute;top:9px;right:10px;border:0;background:none;font-size:23px;z-index:1}
#world-guide[data-place="house"] #room-art{font:700 clamp(30px,4vh,48px) ui-monospace,SFMono-Regular,Menlo,monospace;color:#b3a1dc;margin-bottom:7px;line-height:1}
#world-guide[data-place="house"] #room-title{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
#world-guide[data-place="house"] .message-text{display:grid;grid-template-columns:auto 1fr;column-gap:26px;align-items:center}
#world-guide[data-place="house"] #room-art{grid-row:1 / 3}
#places{height:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-content:center;padding:0 22px}
#places button{min-height:52px;font-size:13px}
.guide-page-arrow{position:absolute;top:50%;transform:translateY(-50%);border:0!important;background:none!important;color:var(--text-muted)!important;font-size:32px!important;padding:6px!important;z-index:2}
#guide-return{left:5px}#guide-hint{right:8px;animation:guide-nudge 4.5s ease-in-out both}
@keyframes guide-nudge{0%,100%{opacity:0}18%,75%{opacity:.6}40%{transform:translate(4px,-50%)}60%{transform:translate(0,-50%)}}
.presents-shell .mute-badge{display:flex;align-items:center;gap:7px;width:auto;height:38px;padding:8px;border-radius:6px;white-space:nowrap}
.presents-shell .mute-badge svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
#audio-label{font:11px var(--font-sans)}
.player-mount{height:100%;min-height:0}#then-mount{padding:12px 24px}#theatre-mount{padding:12px 18px}
.presentation{height:100%;display:flex;flex-direction:column;gap:10px;min-height:0}
.screen-surround{position:relative;flex:1;min-height:0;overflow:hidden;background:#02060b;display:flex;align-items:center;justify-content:center;isolation:isolate}
#stage{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;min-height:0;padding-bottom:48px;user-select:none}
#slide-image{width:100%;height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none}
#cover{width:100%;height:100%;padding:6%;display:flex;flex-direction:column;justify-content:center;background:#092338}
#cover-brand{font:12px var(--font-mono);color:var(--cyan);margin-bottom:16px}#cover-title{font-size:clamp(26px,4vw,60px);max-width:750px;line-height:1.1;font-weight:500;letter-spacing:-1px}#cover-subtitle{font-size:clamp(12px,1.4vw,19px);color:var(--text-muted);margin-top:20px}
#stage-message{text-align:center;padding:25px}#stage-message h2{font-size:25px}#stage-message p{margin-top:12px;color:var(--text-muted)}
#stage-host{display:none;position:absolute;right:0;bottom:46px;width:22%;height:55%;z-index:4;touch-action:none;user-select:none;cursor:grab;outline-offset:-4px}
#stage-host:active{cursor:grabbing}#stage-host canvas,#stage-host img{user-select:none;-webkit-user-drag:none}
body[data-view="theatre"] #stage{width:88%;height:94%;align-self:flex-start;padding-bottom:30px}
body[data-view="theatre"] #stage-host{display:block}
body[data-view="theatre"] .screen-surround{background:radial-gradient(ellipse at 50% 100%,#182335,#02060b 70%)}
.stage-floor{display:none}body[data-view="theatre"] .stage-floor{display:block;position:absolute;bottom:0;width:100%;height:7%;background:#101823;border-top:1px solid #8290a055;z-index:-1}
.screen-surround>button{position:absolute;z-index:6;font-size:12px;min-height:36px;background:#0b1b29df}
#fullscreen{top:10px;right:10px}#previous{bottom:10px;left:12px}#next{bottom:10px;right:12px}
#cue-screen,.toolbar,.narration-meta,#segment-progress{display:none}
#error{padding:6px 10px;color:var(--orange);font-size:12px}
.presentation:has(#error:not([hidden])) .toolbar{display:flex;order:2}.toolbar .buttons>*{display:none}.toolbar .buttons>#play-pause{display:block}.toolbar #status{display:none}
#narration{flex:0 0 clamp(180px,27dvh,255px);min-height:0;margin:0;padding:16px 20px;border:1px solid var(--glass-border);border-radius:8px}
.presents-shell #convo{flex:1;min-height:0;max-height:none;padding:0;gap:12px;overflow:auto;scrollbar-width:thin}
.presents-shell .message{animation:none}.message-text{white-space:pre-wrap}.message-role{display:flex;gap:14px}.message-role #voice-label{font-size:9px;color:var(--text-dim);margin-left:auto}
.typing::after{content:'▍';color:var(--purple);animation:caret 1s steps(2) infinite}@keyframes caret{50%{opacity:0}}
body[data-view="then"] #narration{display:none!important}body[data-view="then"] .screen-surround{background:transparent}
.presents-shell .visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important}
@media(max-width:620px){
 .presents-shell .studio-lanes{padding:0 9px;gap:6px;grid-template-columns:minmax(0,1fr) auto 32px}.presents-shell .studio-actions{display:flex}.studio-destinations{gap:0}.presents-shell .studio-lanes button{padding:7px 8px}.presents-shell .mute-badge{width:32px;justify-content:center;padding:5px}#audio-label{display:none}
 .district-title{left:14px;top:15px}.world-heading{right:12px;top:15px}.world-heading button{font-size:10px;padding:7px}
 #world-guide{flex-basis:clamp(235px,30dvh,275px);margin:0 10px 10px}#world-guide .mobile-rail-page{padding:17px 16px 14px}#room-description{font-size:13px}#room-title{font-size:15px}#places{grid-template-columns:repeat(2,minmax(0,1fr));padding:0 14px;gap:8px}#places button{min-height:44px;font-size:12px}
 #world-guide[data-place="house"] .message-text{display:block}#world-guide[data-place="house"] #room-art{font-size:32px}
 #then-mount,#theatre-mount{padding:8px 10px 10px}.screen-surround{flex:1;min-height:245px}#narration{flex:1;min-height:150px;padding:12px}.presents-shell #convo .message-text{font-size:13px}
 #stage-host{width:28%;height:55%;bottom:45px}body[data-view="theatre"] #stage{width:100%;height:86%;padding-bottom:0}
 .screen-surround>button{font-size:11px;padding:7px 10px;min-height:34px}#fullscreen{top:8px;right:8px}#previous{bottom:8px;left:8px}#next{bottom:8px;right:8px}
}
@media(max-height:550px){#world-guide{flex-basis:175px}#narration{flex-basis:130px;min-height:80px}.screen-surround{min-height:120px}}
@media(prefers-reduced-motion:reduce){.presents-shell *{animation:none!important;transition:none!important}}

/* Native Rolldown markup and collapse classes, with its lanes fitted to this
   three-lane presentation. Narrow windows retain visible collapsed handles. */
.presents-shell #next-view{display:flex;flex-direction:column;width:100%}.presents-shell .header{flex-shrink:0}.presents-shell #board{min-height:0}.presents-shell .lane-header{width:100%;border:0;border-bottom:1px solid var(--glass-border);border-radius:0;text-align:left;background:transparent;font-size:12px}.presents-shell .lane-title{flex:1}.presents-shell .lane-count{margin-left:auto}.presents-shell .lane-cards{min-height:0}.presents-shell .lane[data-lane="live"] .lane-dot{background:var(--purple)}.presents-shell .lane[data-lane="next"] .lane-dot{background:var(--green)}.presents-shell .card{display:block;text-decoration:none;color:var(--text)}.presents-shell .card-title{padding-right:0}.presents-shell .card-desc{white-space:normal}.presents-shell .lane.collapsed .lane-header{border-bottom:0}.presents-shell .lane.collapsed .lane-title{flex:0}.presents-shell .lane.collapsed .lane-collapse-btn{transform:rotate(180deg)}
@media(max-width:1000px){.presents-shell #board{padding:12px;gap:8px}.presents-shell .lane{min-width:0;max-width:none;margin-right:0}.presents-shell .lane.collapsed{min-width:44px;max-width:44px;flex:0 0 44px}.presents-private{display:none}}
@media(max-width:620px){.presents-shell #board{gap:6px;padding:8px}.presents-shell .lane:not(.collapsed){flex:1;min-width:0}.presents-shell .lane-cards{padding:8px}.presents-shell .lane-header{padding:12px 8px;gap:6px}.presents-shell .lane.collapsed{flex-basis:34px;min-width:34px;max-width:34px}.presents-shell .lane-title{font-size:11px}.presents-shell .header{padding:13px}.presents-shell .card{padding:10px}.presents-shell .card-title{font-size:12px}.presents-shell .card-desc{font-size:11px}}

#terminal-view{display:flex;flex-direction:column;background:#222733}
.terminal-chrome{height:42px;flex-shrink:0;display:flex;align-items:center;gap:22px;padding:0 18px;font:12px ui-monospace,SFMono-Regular,Menlo,monospace;color:#9ba1ae;border-bottom:1px solid #3c4250}
.terminal-chrome button{padding:5px 0;border:0;background:none;color:#d6d6dc}.terminal-session{margin-left:auto;color:#787f8c}
#terminal-demo{width:100%;flex:1;min-height:0;border:0;background:#222733}
body[data-view="terminal"] .studio-lanes{background:#222733}
#now-view[data-entering="terminal"] .district-title,#now-view[data-entering="terminal"] .world-heading,#now-view[data-entering="terminal"] .places,#now-view[data-entering="terminal"] #world-guide,#now-view[data-entering="terminal"] .cloud-billboard{opacity:0;pointer-events:none;transition:opacity 180ms}
#now-view[data-entering="terminal"] #worldCanvas{pointer-events:none}
#terminal-view.terminal-arrival{animation:terminal-arrival 240ms ease-out}
@keyframes terminal-arrival{from{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}
.cloud-billboard{position:absolute;right:5%;top:12%;display:flex;align-items:center;gap:8px!important;border:0!important;background:transparent!important;box-shadow:none;color:#dfe3f0!important;text-align:left;padding:0!important;text-shadow:0 2px 12px #17253e}
.cloud-shape{font-size:64px;line-height:1;color:#d7deed}.cloud-billboard>span:last-child{font:14px ui-monospace,SFMono-Regular,Menlo,monospace}.cloud-billboard small{display:block;font-size:10px;color:#aab3c6;margin-top:5px}
@media(max-width:620px){.terminal-chrome{padding:0 12px;gap:16px;font-size:10px}.terminal-session{display:none}.cloud-billboard{top:22%;right:6%}.cloud-shape{font-size:42px}.cloud-billboard>span:last-child{font-size:12px}}

/* The Next lane is rendered from the exhibit's dated items; the contact lane
   only exists when the exhibit carries contacts. */
.presents-shell .feed-item .card-meta{display:flex;flex-wrap:wrap;gap:10px;font:11px var(--font-mono);color:var(--text-muted);margin-bottom:6px}
.presents-shell .feed-item .card-title+.card-meta{margin:6px 0 0}
.presents-shell .feed-kind[data-kind="changed"]{color:var(--green)}.presents-shell .feed-kind[data-kind="coming"]{color:var(--cyan)}.presents-shell .feed-kind[data-kind="work"]{color:var(--purple)}
.presents-shell .feed-empty{font:12px var(--font-mono);color:var(--text-muted);padding:10px}
.presents-shell .lane[data-lane="contact"] .lane-dot{background:var(--cyan)}
.room-propose{flex-shrink:0;padding:0 2px}.propose{display:flex;flex-direction:column;gap:8px;padding:10px 0 2px;border-top:1px solid var(--glass-border)}
.propose-label{margin:0;font:12px var(--font-mono);color:var(--text-muted)}.propose textarea{font:inherit;font-size:13px;color:var(--text);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:6px;padding:8px 10px;resize:vertical;min-height:58px}
.propose-actions{display:flex;flex-wrap:wrap;gap:8px}.propose-status{margin:0;font-size:12px;line-height:1.5;color:var(--text-muted)}.propose-ops{margin:0;padding-left:18px;font:12px var(--font-mono);color:var(--text-muted)}
#terminal-view .room-propose{padding:10px 16px 14px}
.chat-turns{display:contents}.chat-composer{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 2px 2px;border-top:1px solid var(--glass-border)}.chat-label{flex-basis:100%;font:12px var(--font-mono);color:var(--text-muted)}.chat-composer input{flex:1 1 160px;min-width:0;font:inherit;font-size:13px;color:var(--text);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:6px;padding:8px 10px}.turns-left,.chat-status{margin:0;font-size:12px;color:var(--text-muted)}.chat-status{flex-basis:100%;line-height:1.5}.chat-status:empty{display:none}

/* Daily's flat navigation and native swipe rail; existing content retained. */
.presents-shell .studio-lanes{background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none}
#world-guide{margin:0;background:var(--bg);border:0;border-top:1px solid var(--glass-border);border-radius:0;backdrop-filter:none;-webkit-backdrop-filter:none}
#world-guide .mobile-rail-tabs{display:flex;flex:none;align-items:stretch;padding:0 8px;height:40px;border-bottom:1px solid var(--glass-border)}
#world-guide .mobile-rail-tabs button{flex:1;position:relative;padding:0 4px;border:0;border-radius:0;background:none;color:var(--text-muted);font:500 12px var(--font-sans)}
#world-guide .mobile-rail-tabs button[aria-selected="true"]{color:var(--text)}
#world-guide .mobile-rail-tabs button[aria-selected="true"]::after{content:'';position:absolute;bottom:0;height:2px;background:var(--purple);left:26%;right:26%}
#world-guide .mobile-rail-page{padding:14px 16px max(12px,env(safe-area-inset-bottom,0px))}
#world-guide .mobile-rail-page[data-page="chat"]{gap:8px;padding:0 12px max(8px,env(safe-area-inset-bottom,0px))}