:root{--ink:#243b33;--muted:#778179;--paper:#f5f5ef;--green:#183b2e;--gold:#dab77c;--line:#e4e7dd;--sans:'Segoe UI',system-ui,-apple-system,sans-serif;--serif:Georgia,'Times New Roman',serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px}button,a{-webkit-tap-highlight-color:transparent}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:inherit}button:focus-visible,a:focus-visible,canvas:focus-visible,input:focus-visible{outline:3px solid #bb8538;outline-offset:4px}button{border:0}button svg{pointer-events:none}.skip{position:fixed;top:-100px;left:20px;z-index:30;padding:12px;background:white}.skip:focus{top:10px}.app-shell{display:flex;min-height:100vh}.sidebar{width:224px;flex-shrink:0;background:#142d26;color:#d8e4d7;padding:38px 24px 22px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;font:30px/.95 var(--serif);color:#f3f1df;letter-spacing:-1px}.brand-mark{display:grid;place-items:center;width:44px;height:53px;color:var(--gold);font:48px var(--serif);transform:rotate(-9deg)}.brand-light{display:block;font-size:28px;font-style:italic;margin-top:5px}.brand-dot{color:var(--gold)}.edition{font-size:8px;letter-spacing:2.1px;margin:26px 0 40px;color:#9daa99}.primary-nav{display:flex;flex-direction:column;gap:9px}.nav-item{background:none;color:#a8b9ad;padding:15px 13px;display:flex;gap:12px;align-items:center;text-align:left;font-size:12px;border-radius:7px;white-space:nowrap}.nav-item>span{font-size:20px;line-height:16px}.nav-item small{margin-left:auto;color:#6d8d79;font-size:9px}.nav-item:hover{background:#203c31}.nav-item.active{background:#30493b;color:#e9e9ce}.nav-item.active>span{color:var(--gold)}.sidebar-bottom{margin-top:auto;padding-top:90px}.sidebar-bottom p{font:italic 19px/1.6 var(--serif);color:#a5b59e;margin:19px 0 40px}.little-bars{height:27px;display:flex;align-items:center;gap:4px}.little-bars i{display:block;background:#c8a46b;width:3px;height:14px;border-radius:3px}.little-bars i:nth-child(2n){height:26px}.little-bars i:nth-child(3){height:20px}.version{border-top:1px solid #324a3b;padding-top:20px;font-size:8px;letter-spacing:1.3px;color:#8b9f8a;display:flex;justify-content:space-between}.workspace{margin-left:224px;width:calc(100% - 224px)}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 42px;gap:14px}.breadcrumb{font-size:11px;color:#828b7d}.breadcrumb span{padding:0 12px;color:#b7bcae}.breadcrumb strong{font-weight:500;color:#42503e}.header-actions{display:flex;align-items:center;gap:20px}.prototype{font-size:10px;color:#65735f;display:flex;align-items:center;gap:7px}.prototype i,.live-dot{display:inline-block;width:6px;height:6px;background:#829874;border-radius:50%}.icon-button{display:flex;gap:7px;align-items:center;background:none;color:#64735e;font-size:17px;padding:8px}.icon-button span{font-size:10px}.avatar{width:32px;height:32px;background:#e8eadd;border:1px solid #dbe0d0;border-radius:50%;font:italic 17px var(--serif);color:#516046}main{max-width:1540px;margin:0 auto;padding:38px 42px 18px}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;gap:20px}.eyebrow{font-size:9px;letter-spacing:1.8px;font-weight:600;color:#7e896d}h1{font:normal clamp(34px,3.4vw,52px)/1.15 var(--serif);letter-spacing:-1.6px;margin:13px 0 12px}h1 em{color:#7e8e5b;font-weight:400}.intro p{font-size:12px;color:#7b8474;margin:0}.session-card{display:flex;align-items:center;gap:13px;border-left:1px solid #dde2d3;padding-left:24px;min-width:154px}.session-icon{font-size:29px;color:#a68c52}.session-card small{display:block;font-size:8px;letter-spacing:1.1px;color:#8a927c;margin-bottom:7px}.session-card strong{font-size:21px;font-weight:500}.session-card strong>span:last-child{font-size:11px;color:#818976;font-weight:400}.main-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:23px}.map-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;align-self:start}.map-header{padding:23px 25px 16px;display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.map-header h2{font-size:14px;font-weight:600;margin:0 0 10px;letter-spacing:-.3px}.map-header p{font-size:10px;color:#8a927f;margin:0}.live-dot{width:5px;height:5px;margin-right:4px}.divider{margin:0 6px;color:#b3baa8}.view-badge{font-size:8px;letter-spacing:1px;background:#f2f4ec;border:1px solid #e8ecdf;border-radius:4px;padding:6px;white-space:nowrap;color:#7d8b6d}.map-viewport{height:415px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#f6f7ec 0,#eef1e5 65%,#e9eddd 100%)}canvas{display:block;width:100%;height:100%;touch-action:pan-y}.map-caption{position:absolute;top:17px;left:23px;font-size:9px;font-weight:600;letter-spacing:2px;pointer-events:none}.map-caption span:last-child{display:block;margin:7px 0 0 17px;font-size:7px;color:#95a083;letter-spacing:1.7px}.map-pin{color:#899d6b;margin-right:5px;font-size:13px}.map-controls{position:absolute;right:15px;bottom:17px;background:white;display:flex;align-items:center;border:1px solid #dde3d2;box-shadow:0 3px 8px #344d3210;border-radius:6px;padding:3px}.map-controls button{background:none;width:34px;height:34px;font-size:20px;color:#5e7051}.map-controls button:hover{background:#eef2e5;border-radius:4px}.map-controls>span{height:17px;border-left:1px solid #e2e7d8;margin:0 4px}.map-tip{position:absolute;left:22px;bottom:25px;font-size:9px;color:#778568;pointer-events:none}.map-tip span{font-size:16px;margin-right:6px}.room-list{display:grid;grid-template-columns:repeat(3,1fr);padding:16px 20px;gap:8px}.room-button{display:flex;align-items:center;gap:7px;text-align:left;font-size:10px;min-height:40px;padding:8px 10px;background:#f7f8f3;border:1px solid transparent;border-radius:5px;color:#718064}.room-button .room-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.room-button:hover{background:#edf1e4}.room-button[aria-pressed=true]{border-color:#aab88f;background:#edf1e4;color:#2c4931}.room-button .visit-check{margin-left:auto;color:#52734a}.map-footnote{border-top:1px solid #edf0e6;padding:13px 20px;font-size:9px;color:#8c9680;display:flex;align-items:center;gap:6px}.map-footnote button{background:none;color:#677b50;font-size:9px;text-decoration:underline;margin-left:auto;padding:4px;white-space:nowrap}.right-rail{display:flex;flex-direction:column;gap:18px}.selected-room{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}.selected-room .eyebrow{font-size:8px;letter-spacing:1.6px}.room-illustration{height:108px;margin:16px 0 20px;border-radius:7px;display:grid;place-items:center;background:repeating-linear-gradient(0deg,transparent 0,transparent 18px,#cbd5bd44 19px,transparent 20px),linear-gradient(135deg,#edf0e1,#e3ead5);color:#65784d;font:70px var(--serif);position:relative;overflow:hidden}.room-illustration::before,.room-illustration::after{content:'♪';position:absolute;font:24px var(--serif);color:#98a783;left:36px;top:19px;transform:rotate(-15deg)}.room-illustration::after{left:auto;right:32px;top:60px;font-size:30px;transform:rotate(15deg)}.room-tag{font-size:8px;letter-spacing:1.6px;color:#899671;margin-bottom:9px}.selected-room h2{font:normal 23px/1.15 var(--serif);margin:0 0 11px;letter-spacing:-.5px}.selected-room p{font-size:11px;line-height:1.8;color:#859079;min-height:58px;margin:0 0 14px}.room-meta{display:flex;gap:9px;justify-content:space-between;color:#88987a;font-size:8px;padding:13px 0;border-top:1px solid #edf0e6}.room-meta span:last-child{color:#71805f}.primary-button{background:#264933;color:#f5f2df;padding:13px 15px;border-radius:5px;font-size:11px;min-height:44px;width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:10px}.primary-button:hover{background:#3b5d3c}.primary-button>span{font-size:18px;color:#d8c28d}.challenge-card{padding:20px;background:#eeeede;border:1px solid #e3e5d2;border-radius:10px}.challenge-top{display:flex;gap:8px;align-items:center;color:#9b8658}.challenge-top>span{font-size:18px}.challenge-top small{font-size:7px;letter-spacing:1.05px}.challenge-card h3{font:normal 21px var(--serif);margin:12px 0 7px}.challenge-card p{font-size:10px;color:#8a8e72;margin:0 0 18px}.challenge-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:13px}.challenge-card li{display:flex;align-items:center;gap:9px;color:#7d886d;font-size:9px}.challenge-card li span{width:20px;height:20px;border-radius:50%;border:1px solid #d6dbc2;display:grid;place-items:center;font-size:8px}.challenge-card li.done{color:#46663e}.challenge-card li.done span{background:#63804e;color:white;border-color:#63804e}.progress-track{height:3px;background:#dce1cb;border-radius:3px;margin-top:21px;overflow:hidden}.progress-track>div{height:100%;width:0;background:#779260;transition:width .4s}.challenge-bottom{display:flex;justify-content:space-between;font-size:8px;margin-top:9px;color:#93997f}.lower-strip{margin-top:25px;border:1px solid #e2e6d5;border-radius:8px;display:flex;align-items:center;gap:19px;padding:20px 24px;background:#f0f2e7}.strip-note{font:35px var(--serif);color:#9caa7e;width:32px}.lower-strip h3{font:normal 20px var(--serif);margin:0 0 6px}.lower-strip p{font-size:10px;color:#889278;margin:0;line-height:1.6}.lower-strip button{background:none;margin-left:auto;font-size:10px;white-space:nowrap;color:#516642;min-height:44px}.lower-strip button span{padding-left:10px}footer{padding:23px 0 0;display:flex;justify-content:space-between;font-size:8px;color:#9aA28c;gap:12px}dialog{border:1px solid #dfe4d4;border-radius:16px;width:min(720px,calc(100% - 28px));padding:28px;color:var(--ink);background:#fafbf6;max-height:90vh;max-height:90dvh;box-shadow:0 24px 100px #0d251950;overflow:auto}dialog::backdrop{background:#0e251ba8;backdrop-filter:blur(5px)}.dialog-header{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:20px}.dialog-header h2{font:normal 30px var(--serif);margin:10px 0 0}.close-button{background:#e9edde;border-radius:50%;min-width:40px;height:40px;color:#62764e;font-size:25px}.dialog-copy{font-size:13px;line-height:1.8;color:#6c7c60}.dialog-copy strong{color:#3e5837}.dialog-copy a{color:#3e6134;text-underline-offset:3px}.dialog-copy h3{font-size:15px;margin:24px 0 8px}.source-card{display:block;padding:16px;border:1px solid #dfe6d5;border-radius:8px;margin:10px 0;text-decoration:none;background:#f0f4e8}.source-card strong{display:block;font-size:13px;margin-bottom:5px}.source-card span{font-size:12px}.external-note{font-size:11px;line-height:1.7;color:#8b967d}.piano{position:relative;height:190px;display:flex;gap:3px;margin:24px 0 14px;user-select:none}.piano-key{height:100%;background:linear-gradient(#fff,#f1f0e8);border:1px solid #d0d4c6;flex:1;border-radius:0 0 8px 8px;display:flex;justify-content:flex-end;align-items:center;flex-direction:column;padding-bottom:15px;gap:6px;color:#697a59;font-size:14px;touch-action:none;box-shadow:0 4px 0 #d9dfd0}.piano-key small{font-size:9px;color:#a1aa95}.piano-key.black{position:absolute;top:0;width:8%;height:61%;z-index:1;background:linear-gradient(90deg,#253b32,#3f5242);border-color:#253b32;color:#c3cdb5;box-shadow:0 4px 0 #162b20;border-radius:0 0 5px 5px;font-size:10px;padding-bottom:9px}.piano-key.active{background:#c5d7a3;transform:translateY(3px);box-shadow:0 1px 0 #aabf87}.piano-key.black.active{background:#78935a}.piano-status{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#7d8d6a}.activity-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px}.secondary-button{background:#e5ecd9;color:#4c663e;border:1px solid #d3ddc3;padding:11px 15px;min-height:44px;border-radius:5px;font-size:12px}.secondary-button:hover{background:#d8e4c7}.activity-toolbar label{font-size:12px;color:#6c7d5b;display:flex;gap:9px;align-items:center}.activity-toolbar input{width:105px;accent-color:#527241}.rhythm-display{background:#e9efdd;padding:24px;border-radius:10px;text-align:center;margin-top:18px}.beats{display:flex;justify-content:center;gap:12px;margin:20px 0}.beat{width:36px;height:36px;border:1px solid #c7d4b3;border-radius:50%;display:grid;place-items:center;font-size:12px;color:#809466}.beat.current{background:#355b35;color:white;box-shadow:0 0 0 5px #587b4120}.beat.hit{border:3px solid #ad8951}.tap-button{width:100%;height:80px;background:#2c5032;border-radius:8px;color:#f9f3dc;font-size:18px;touch-action:manipulation}.rhythm-result{min-height:46px;font-size:13px;line-height:1.6;color:#60754d}.quiz-options{display:grid;gap:9px;margin:18px 0}.quiz-options button{text-align:left}.quiz-feedback{min-height:48px;color:#587443;font-size:13px;line-height:1.7}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,25px);background:#254532;color:#f5f3dd;padding:13px 22px;border-radius:7px;box-shadow:0 5px 25px #16382130;z-index:50;font-size:12px;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;max-width:calc(100% - 28px);text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.stat-grid>div{background:#edf2e3;padding:16px 8px;text-align:center;border-radius:6px;font-size:11px}.stat-grid strong{display:block;font:28px var(--serif);margin-bottom:6px}.help-list{line-height:2;font-size:13px;padding-left:20px;color:#6b7b5b}
@media(min-width:1600px){.map-viewport{height:490px}}
@media(max-width:1250px){.sidebar{width:190px;padding:30px 16px 20px}.workspace{margin-left:190px;width:calc(100% - 190px)}main{padding:30px 26px 16px}.topbar{padding:0 26px}.main-grid{grid-template-columns:minmax(0,1fr);gap:16px}.selected-room{padding:18px}.map-viewport{height:390px}.map-header{padding:19px 18px}.view-badge{display:none}.room-list{padding:13px;gap:5px}.room-button{font-size:9px;padding:6px}.challenge-card{padding:17px}.map-footnote{flex-wrap:wrap;padding:10px 13px}.header-actions{gap:12px}}
@media(max-width:1030px){.sidebar{width:78px;padding:28px 12px}.brand>span:last-child,.edition,.sidebar-bottom,.nav-item small{display:none}.brand{justify-content:center}.brand-mark{width:46px}.primary-nav{margin-top:42px}.nav-item{font-size:0;justify-content:center;padding:16px 10px}.nav-item>span{font-size:23px}.workspace{margin-left:78px;width:calc(100% - 78px)}.main-grid{grid-template-columns:minmax(0,1fr)}.intro p{max-width:350px;line-height:1.8}.session-card{padding-left:17px}.map-viewport{height:385px}.room-list{grid-template-columns:repeat(2,1fr)}.map-footnote{font-size:8px}.map-footnote button{margin-left:0}.map-caption span:last-child{font-size:6px}}
@media(max-width:760px){.topbar{height:65px;padding:0 20px}.breadcrumb{font-size:10px}.breadcrumb>span,.breadcrumb>strong{display:none}.header-actions{gap:8px}.prototype{font-size:8px}.icon-button span{display:none}main{padding:25px 20px 18px}.intro{margin-bottom:25px}.intro h1{font-size:38px}.intro .eyebrow{font-size:8px;letter-spacing:1.3px}.session-card{min-width:90px;padding-left:14px}.session-icon{display:none}.session-card small{font-size:6px;letter-spacing:.5px}.session-card strong{font-size:17px}.session-card strong>span:last-child{font-size:9px}.main-grid{grid-template-columns:1fr}.map-viewport{height:360px}.map-header h2{font-size:13px}.view-badge{display:inline-block}.room-list{grid-template-columns:repeat(3,1fr)}.room-button{font-size:10px}.right-rail{display:grid;grid-template-columns:1fr 1fr;gap:14px}.room-illustration{height:70px;margin:12px 0;font-size:48px}.selected-room h2{font-size:21px}.selected-room p{min-height:0}.challenge-card{padding:17px}.challenge-card h3{font-size:20px}.challenge-top small{font-size:6px}.challenge-card li{font-size:9px}.challenge-bottom{font-size:7px}.lower-strip{padding:17px;gap:10px;flex-wrap:wrap}.lower-strip>div:nth-child(2){flex:1}.lower-strip h3{font-size:18px}.lower-strip button{margin-left:40px}footer{font-size:7px;line-height:1.7}.map-footnote{font-size:9px}}
@media(max-width:500px){.app-shell{display:block}.sidebar{position:static;width:100%;padding:13px 16px;flex-direction:row;justify-content:space-between;align-items:center;gap:10px}.brand{gap:6px}.brand>span:last-child{display:block;font-size:18px;line-height:1}.brand-light{font-size:17px;margin-top:2px}.brand-mark{font-size:34px;width:27px;height:40px}.primary-nav{margin:0;flex-direction:row;gap:5px}.nav-item{padding:12px;min-width:44px;height:44px}.nav-item>span{font-size:21px}.workspace{margin:0;width:100%}.topbar{height:49px;padding:0 16px}.prototype{font-size:8px}.avatar{height:27px;width:27px;font-size:15px}.intro{gap:10px}.intro h1{font-size:35px;margin-top:11px}.intro p{font-size:10px;max-width:245px}.intro .eyebrow{font-size:6px;letter-spacing:1.2px}.session-card{padding-left:10px;min-width:78px}.session-card small{max-width:70px;line-height:1.6}.session-card strong{font-size:16px}.session-card strong>span:last-child{display:block;font-size:9px;margin-top:3px}main{padding:23px 14px 16px}.map-header{padding:17px 14px}.map-header h2{font-size:12px}.map-header p{font-size:9px}.view-badge{font-size:6px;padding:5px}.map-viewport{height:325px}.map-caption{left:15px;top:13px;font-size:8px}.map-caption span:last-child{font-size:5px}.map-tip{font-size:8px;left:13px;bottom:21px}.map-controls{right:10px;bottom:12px}.map-controls button{width:29px;height:34px}.map-controls>span{margin:0 1px}.room-list{grid-template-columns:repeat(2,1fr);padding:12px;gap:6px}.room-button{font-size:10px;min-height:44px;padding:8px}.map-footnote{font-size:8px;gap:4px}.map-footnote button{font-size:8px}.right-rail{grid-template-columns:1fr}.selected-room{display:grid;grid-template-columns:75px 1fr;gap:0 16px;padding:18px}.selected-room .eyebrow{grid-column:1/-1;margin-bottom:14px}.room-illustration{grid-row:2/5;height:104px;margin:0;font-size:50px}.room-illustration::before{left:6px;font-size:15px}.room-illustration::after{right:5px;font-size:17px}.room-tag{font-size:7px;margin:0 0 7px}.selected-room h2{font-size:22px}.selected-room p{font-size:10px;margin-bottom:5px}.room-meta{grid-column:1/-1;margin-top:10px;font-size:9px}.primary-button{grid-column:1/-1}.challenge-card{padding:20px}.challenge-top small{font-size:8px}.challenge-card li{font-size:11px}.challenge-bottom{font-size:9px}.lower-strip{margin-top:18px}.lower-strip h3{font-size:17px}.lower-strip p{font-size:9px}.lower-strip button{font-size:10px;margin-top:-5px}.strip-note{width:24px}.piano{height:160px;gap:2px}.piano-key{font-size:12px}.piano-key.black{font-size:8px}.piano-key small{font-size:8px}dialog{padding:20px}.dialog-header h2{font-size:26px}.dialog-copy{font-size:12px}.activity-toolbar{gap:9px}.rhythm-display{padding:18px 10px}.beats{gap:6px}.beat{width:30px;height:30px}.stat-grid{gap:6px}.stat-grid>div{font-size:9px}.stat-grid strong{font-size:24px}}
[hidden]{display:none!important}.view-toggle{font-size:9px;min-height:32px;padding:7px 11px;white-space:nowrap}.walk-viewport{position:relative;height:clamp(420px,calc(100dvh - 190px),1100px);min-height:420px;overflow:hidden;background:#bfcfc6;isolation:isolate}.walk-viewport canvas{width:100%;height:100%;touch-action:none;outline-offset:-3px}.walk-top{position:absolute;left:18px;right:18px;top:17px;display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}.walk-location{font-size:10px;background:#f5f5e5e8;padding:9px 12px;border:1px solid #ffffff70;border-radius:5px;color:#3a5540;box-shadow:0 2px 8px #25452d10}.walk-concept{font-size:6px;letter-spacing:1px;color:#2b493b;background:#f3f4e5c9;padding:7px 8px;border-radius:3px}.walk-crosshair{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fff9e3a0;font-size:19px;font-weight:200;pointer-events:none;text-shadow:0 1px 2px #102e1b80}.walk-bottom{position:absolute;left:15px;right:15px;bottom:13px;display:flex;justify-content:space-between;align-items:center;gap:10px;pointer-events:none}.walk-bottom>span{font-size:8px;letter-spacing:.4px;color:#fcf8e2;text-shadow:0 1px 3px #102b22;background:#284c3955;padding:8px;border-radius:4px}.walk-bottom>div{display:flex;gap:5px;pointer-events:auto;margin-left:auto}.walk-bottom button{height:36px;width:36px;border:1px solid #f1f4d86b;border-radius:5px;color:#2b5039;background:#f4f6e8e6;font-size:22px;display:grid;place-items:center}.walk-interact{position:absolute;left:50%;bottom:65px;transform:translateX(-50%);background:#244d38ed;border:1px solid #a7bd88;color:#faf0d6;border-radius:6px;padding:13px 19px;font-size:12px;box-shadow:0 4px 15px #12342230;white-space:nowrap;max-width:95%}.move-stick{display:none;position:absolute;left:25px;bottom:65px;width:100px;height:100px;border:1px solid #faf6dd88;background:#2f573527;border-radius:50%;touch-action:none;user-select:none}.move-stick>div{position:absolute;left:29px;top:29px;width:40px;height:40px;background:#f0f3dbaa;border:1px solid #ffffffb0;box-shadow:0 2px 10px #24462b20;border-radius:50%;pointer-events:none}.move-stick>span{position:absolute;bottom:-20px;width:100%;text-align:center;color:#ffffdf;font-size:7px;letter-spacing:1.5px;text-shadow:0 1px 3px #143323;pointer-events:none}.touch-look-label{display:none;position:absolute;right:25px;bottom:100px;font-size:7px;letter-spacing:1px;color:#fffce3aa;pointer-events:none;text-shadow:0 1px 3px #143323}.walk-viewport:fullscreen{width:100vw;height:100vh;height:100dvh}.walk-viewport.expanded{position:fixed;inset:0;width:100vw;height:100dvh;z-index:40}.walk-viewport:fullscreen .walk-top,.walk-viewport.expanded .walk-top{top:25px}.walk-viewport:fullscreen .walk-bottom,.walk-viewport.expanded .walk-bottom{bottom:25px}.walk-viewport:fullscreen .walk-bottom button{height:46px;width:46px}.walk-viewport:fullscreen .walk-location{font-size:13px}.walk-viewport:fullscreen .walk-concept{font-size:9px}.walk-viewport:fullscreen .walk-interact{bottom:100px}.walking #walk-view{cursor:grab}.walking #walk-view:active{cursor:grabbing}@media(pointer:coarse){.walking .move-stick{display:block}.walking .touch-look-label{display:block}.walk-bottom>span{display:none}.walk-interact{bottom:190px}}@media(max-width:1250px){.walk-viewport{height:clamp(420px,calc(100dvh - 190px),1100px)}.walk-top{left:12px;right:12px}.walk-concept{max-width:110px;line-height:1.6;text-align:right;font-size:5px}}@media(max-width:760px){.walk-viewport{height:clamp(420px,calc(100dvh - 190px),1100px)}.walk-top{align-items:flex-start}.walk-concept{font-size:6px;max-width:130px}.walk-location{font-size:9px}}@media(max-width:500px){.walk-viewport{height:clamp(420px,calc(100dvh - 190px),1100px)}.walk-top{left:10px;right:10px;top:10px;gap:6px}.walk-location{font-size:8px;padding:8px;max-width:165px}.walk-concept{font-size:5px;max-width:105px;padding:5px}.walk-bottom{left:10px;right:10px;bottom:10px}.walk-bottom button{width:38px;height:38px}.move-stick{left:25px;bottom:65px;width:96px;height:96px}.move-stick>div{left:27px;top:27px}.touch-look-label{right:15px;font-size:6px;max-width:115px;line-height:1.7}.walk-viewport:fullscreen .walk-concept{font-size:6px}.walk-viewport:fullscreen .walk-location{font-size:10px}.walk-viewport:fullscreen .move-stick,.walk-viewport.expanded .move-stick{bottom:85px}.walk-interact{font-size:10px}}
.walk-camera-bar{position:absolute;left:18px;top:60px;display:flex;align-items:center;gap:3px;padding:4px;background:#f5f7e9ed;border:1px solid #ffffff80;border-radius:7px;box-shadow:0 2px 12px #183f2b18;z-index:4;pointer-events:auto}.walk-camera-bar>span{font-size:7px;letter-spacing:1px;padding:0 7px;color:#6a7d60}.walk-camera-bar button{min-width:66px;min-height:36px;padding:8px 10px;background:transparent;color:#63775d;border-radius:4px;font-size:10px}.walk-camera-bar button[aria-pressed=true]{background:#294e3a;color:#fcf3d8}.walk-camera-bar small{margin:0 5px;font-size:8px;color:#7d8c70;border:1px solid #d2dac3;border-radius:3px;padding:2px 4px}.third-person .walk-crosshair{display:none}.walk-viewport:fullscreen .walk-camera-bar{top:75px}@media(max-width:500px){.walk-camera-bar{top:51px;left:10px;padding:3px}.walk-camera-bar>span{font-size:6px;padding:0 5px}.walk-camera-bar button{min-width:59px;min-height:36px;font-size:9px}}@media(pointer:coarse){.walk-camera-bar small{display:none}.walk-camera-bar button{min-height:40px}}
.walk-bottom button.fullscreen-button,.walk-viewport:fullscreen .walk-bottom button.fullscreen-button{width:auto;min-width:112px;display:flex;gap:7px;align-items:center;justify-content:center;padding:0 10px}.fullscreen-button #fullscreen-icon{font-size:23px}.fullscreen-button #fullscreen-label{font-size:10px;white-space:nowrap}.walk-expanded{overflow:hidden}.walk-bottom button.fullscreen-button[aria-pressed=true]{background:#254d37;color:#fff3d9}.walk-viewport.expanded .walk-bottom{padding-bottom:env(safe-area-inset-bottom)}@media(max-width:500px){.walk-bottom button.fullscreen-button{min-width:108px;min-height:40px}.fullscreen-button #fullscreen-label{font-size:9px}.walk-bottom>span{max-width:110px;font-size:6px}}
.graphics-panel{position:absolute;top:60px;right:18px;z-index:5;color:#4b634e;font-size:10px}.graphics-panel summary{list-style:none;display:flex;gap:7px;align-items:center;cursor:pointer;min-height:44px;padding:9px 12px;border:1px solid #ffffff80;border-radius:7px;background:#f5f7e9ed;box-shadow:0 2px 12px #183f2b18;user-select:none}.graphics-panel summary::-webkit-details-marker{display:none}.graphics-panel summary>span{font-size:8px;color:#7a896c}.graphics-panel[open] summary{border-radius:7px 7px 0 0}.graphics-content{position:absolute;right:0;top:100%;width:240px;background:#f7f8ed;border:1px solid #dce4d1;border-radius:7px 0 7px 7px;padding:15px;box-shadow:0 8px 25px #193a2d25}.graphics-content label{display:block;font-size:10px;font-weight:600;margin-bottom:10px}.graphics-content select{width:100%;min-height:40px;border:1px solid #cbd8bf;border-radius:5px;background:#fffef5;color:#385c40;padding:7px;font-size:11px}.graphics-content p{font-size:10px;line-height:1.7;margin:10px 0 0;color:#7c8e72}.graphics-content button{width:100%;min-height:40px;margin-top:12px;border:1px solid #385c40;border-radius:5px;background:#385c40;color:#fffef5;padding:8px;font-size:11px;cursor:pointer}.graphics-content button:disabled{opacity:.6;cursor:wait}.graphics-content button:focus-visible{outline:2px solid #b98432;outline-offset:3px}.walk-viewport:fullscreen .graphics-panel{top:75px}@media(max-width:500px){.graphics-panel{top:51px;right:10px}.graphics-panel summary{padding:8px;font-size:9px;gap:5px}.graphics-panel summary>span{font-size:7px}.graphics-content{width:225px}.walk-viewport:fullscreen .graphics-panel{top:60px}}
.fullscreen-button kbd{font:8px var(--sans);border:1px solid currentColor;border-radius:3px;opacity:.7;padding:1px 4px}.walk-viewport:fullscreen .fullscreen-button kbd{font-size:9px}@media(pointer:coarse){.fullscreen-button kbd{display:none}}
.walk-attribution{position:absolute;right:16px;bottom:66px;z-index:3;padding:4px 6px;border-radius:3px;background:#f5f7e9d9;color:#56705c;font-size:7px;line-height:1.5;text-decoration:none;max-width:200px}.walk-attribution:hover,.walk-attribution:focus-visible{text-decoration:underline;background:#ffffed}.walk-viewport:fullscreen .walk-attribution{bottom:80px}@media(max-width:500px){.walk-attribution{font-size:6px;right:10px;bottom:68px;max-width:150px}}
.walk-settings-toggle{position:absolute;top:15px;right:16px;z-index:12;min-height:40px;padding:9px 13px;border:1px solid #ffffffa0;border-radius:10px;background:#f6f7edee;color:#294e3a;box-shadow:0 3px 14px #183f2b20;font-size:12px}
.walk-settings-panel{position:absolute;z-index:13;top:64px;right:16px;width:300px;max-width:calc(100% - 32px);max-height:calc(100% - 90px);overflow:auto;overscroll-behavior:contain;padding:15px;border:1px solid #becdb4;border-radius:12px;background:#f8f8ef;box-shadow:0 12px 35px #16352240;color:#294e3a;font-size:12px}
.walk-settings-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.walk-settings-head h3{margin:0;font-size:16px}.walk-settings-head button{width:32px;height:32px;border-radius:50%;background:#e5ebdb;color:#294e3a;font-size:23px}
#walk-pause-status{font-size:11px;line-height:1.5;margin:10px 0;color:#64765b}.walk-settings-actions{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 0}.walk-settings-actions button{flex:1;min-height:40px;padding:9px;border:1px solid #bfcdb4;border-radius:7px;background:#e9efdf;color:#294e3a;font-size:11px}.walk-settings-actions #resume-walk{background:#315a3e;color:#fff9e6}.walk-settings-actions .fullscreen-button{display:flex;gap:6px;align-items:center;justify-content:center}
#walk-settings-panel .walk-camera-bar{position:static;display:flex;flex-wrap:wrap;margin:12px 0;box-shadow:none}#walk-settings-panel .graphics-panel{position:static;margin:12px 0}#walk-settings-panel .graphics-panel summary{box-shadow:none}#walk-settings-panel .graphics-content{position:static;width:auto;padding:12px;box-shadow:none}#walk-settings-panel :is(button,input,select):focus-visible{outline:3px solid #b38946;outline-offset:2px}.walk-viewport .walk-top{right:150px}.walk-viewport .walk-concept{display:none}.walk-location{max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.walk-viewport:is(:fullscreen,.expanded) #walk-settings-panel{max-height:calc(100% - 230px)}
@media(max-width:500px){.walk-settings-toggle{top:11px;right:10px;padding:8px 10px;font-size:11px}.walk-settings-panel{top:60px;right:10px;max-width:calc(100% - 20px);padding:12px}.walk-viewport .walk-top{left:10px;right:133px}.walk-location{font-size:9px;padding:8px}.walk-settings-head h3{font-size:14px}}
.walk-network-status{position:absolute;z-index:5;left:50%;top:62px;transform:translateX(-50%);max-width:calc(100% - 32px);margin:0;padding:6px 10px;border:1px solid #dacba9;border-radius:6px;background:#f7edd9f2;color:#55462e;font-size:11px;line-height:1.4;text-align:center;pointer-events:auto}.primary-button:disabled{opacity:.65;cursor:wait}.release-entry{border-top:1px solid #64785c35;padding:18px 0}.release-entry h3{font-size:18px;margin:0 0 10px}.release-entry ul{padding-left:22px;line-height:1.8}.release-time{font-size:12px;line-height:1.7;margin:4px 0}.release-utc,.release-entry>small{font-size:11px;color:#5c6e60;overflow-wrap:anywhere}.release-utc{margin:4px 0 8px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Header actions include optional profile/Admin controls: wrap, never clip or widen the page. */
.workspace{min-width:0}.topbar{height:auto;min-height:76px;gap:12px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.topbar>.breadcrumb{min-width:0}.topbar .header-actions{min-width:0;max-width:100%;flex-wrap:wrap;justify-content:flex-end}.topbar .header-actions>*{max-width:100%}
@media(max-width:760px){.topbar{min-height:0;padding:10px 16px;gap:8px}.topbar>.breadcrumb,.topbar .prototype{display:none}.topbar .header-actions{width:100%;flex:1 1 100%;justify-content:flex-end;gap:6px}.topbar #changes-header{font-size:11px;white-space:nowrap}.topbar .icon-button,.topbar .avatar{min-width:36px;min-height:40px}.topbar .zp-button{max-width:112px;min-width:0;min-height:40px;flex:0 1 112px}.topbar .zp-admin-link{min-height:40px;flex:0 0 auto}}
@media(max-width:500px){.sidebar{flex-wrap:wrap}.primary-nav{max-width:100%;min-width:0;flex-wrap:wrap}}

/* Tour-first shell; activities live below the canvas only when explicitly opened. */
.demo-mode .mp-chat-shell{display:none}
main{max-width:none;padding:18px 22px 24px}.main-grid{grid-template-columns:minmax(0,1fr)}.map-header{padding:12px 16px;align-items:center;flex-wrap:wrap}.map-header h1{font:500 22px/1.2 var(--sans);letter-spacing:-.5px;margin:0}.map-header-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.reference-button{background:none;color:#486449;font-size:11px;min-height:44px;padding:6px}.view-toggle{min-height:44px;font-size:11px}.sidebar{width:184px;padding:24px 14px}.workspace{margin-left:184px;width:calc(100% - 184px)}.primary-nav{margin-top:28px}.nav-item{min-height:44px;white-space:normal}.sidebar-bottom{padding-top:24px}.version{display:block;font-size:8px;line-height:1.8;overflow-wrap:anywhere}.version span{display:block}.brand{font-size:26px}.brand-light{font-size:24px}.topbar{padding-left:22px;padding-right:22px;min-height:64px}
#walk-welcome{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 40px);z-index:6;pointer-events:none}#walk-welcome #start-walk{width:auto;max-width:100%;min-height:44px;padding:11px 18px;border:1px solid #ffffff80;border-radius:24px;box-shadow:0 3px 12px #173a2925;pointer-events:auto;font-size:12px;text-align:center;justify-content:center}.walk-error-card{width:min(300px,calc(100vw - 48px));max-height:180px;overflow:auto;padding:14px;border:1px solid #d8dfd0;border-radius:10px;background:#f8f8ef;pointer-events:auto;font-size:12px}.walk-error-card h3{font-size:14px;margin:0 0 6px}.walk-error-card p{margin:6px 0;line-height:1.5}.walk-error-card button{min-height:44px}
.practice-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.practice-heading h2{font-size:20px}.practice-heading>span{font-size:12px;color:var(--muted)}#practice-panel{margin-top:18px}.practice-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.tour-references{margin-top:10px;color:#60715d;font-size:11px}.tour-references summary{cursor:pointer;min-height:44px;padding:12px 0}.tour-references p{line-height:1.6;max-width:650px}.tour-references a{display:inline-flex;align-items:center;min-height:44px;padding:8px}
@media(max-width:1030px) and (min-width:501px){.sidebar{width:78px;padding:24px 12px}.workspace{margin-left:78px;width:calc(100% - 78px)}.nav-item{white-space:nowrap}.primary-nav{margin-top:28px}}
@media(max-width:760px){main{padding:12px}.topbar{padding-left:12px;padding-right:12px}.map-header{gap:6px;padding:8px 12px}.map-header-actions{gap:7px}.walk-viewport{height:clamp(360px,calc(100dvh - 180px),900px)}.practice-grid{grid-template-columns:1fr}}
@media(max-width:500px){.sidebar{width:100%;padding:8px 12px}.workspace{width:100%;margin:0}.primary-nav{margin:0;gap:3px}.brand>span:last-child{display:none}.brand-mark{height:36px}.nav-item{padding:10px;min-width:40px;height:40px}.map-header h1{font-size:19px}.map-header-actions{gap:5px}.reference-button,.view-toggle{font-size:10px}.walk-viewport{height:clamp(300px,calc(100dvh - 220px),850px)}.walk-attribution{font-size:8px;bottom:76px;right:10px}.map-header-actions .view-toggle{padding:7px}.walk-location{max-width:100%}}

/* Finite jump action: clear of lower-right chat launcher and central interaction. */
.walk-jump{position:absolute;right:18px;bottom:154px;z-index:5;min-width:90px;min-height:56px;padding:12px 16px;border:1px solid #e8edd6;border-radius:16px;background:#294e3aee;color:#fff5db;touch-action:manipulation;user-select:none;font-weight:600}.walk-jump kbd{display:block;font:10px var(--sans);opacity:.8;margin-top:3px}.walk-jump:disabled{opacity:.5}.walk-viewport:not(.walking) .walk-jump{display:none}@media(pointer:coarse){.walk-jump{min-width:88px;min-height:64px;max-height:64px;right:20px;bottom:calc(76px + env(safe-area-inset-bottom))}.walk-jump kbd{display:none}.walk-interact{max-width:calc(100% - 180px);white-space:normal}}