:root{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#1d3948;background:#eaf0f0;font-size:16px;--navy:#173747;--orange:#dc6d2b;--teal:#137f88}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;min-height:42px;border:1px solid #cdd8dc;background:#fff;color:#243f4d;border-radius:9px;padding:9px 14px;font-weight:600}button:hover{border-color:#278692;background:#edf7f8}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #eeaa56;outline-offset:2px}button.primary,.active{background:var(--navy);color:#fff;border-color:var(--navy)}button.orange{background:var(--orange);color:#fff;border-color:var(--orange)}button.small{font-size:14px;padding:7px 10px;min-height:36px}button:disabled{opacity:.4;cursor:default}header{height:78px;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 26px;gap:20px}header strong{font-size:26px;letter-spacing:2px}header .brand{display:flex;gap:16px;align-items:center}header .number{background:#ef8c48;border-radius:12px;padding:9px 12px;letter-spacing:-1px;font-size:24px}header small{font-size:14px;color:#bdced5}header button{background:transparent;color:#fff;border-color:#5b7582}nav.phases{display:flex;background:white;border-bottom:1px solid #d5dfe2;padding:12px 24px;gap:10px}nav.phases button{flex:1;text-align:left;border:0;border-radius:9px;padding:11px 18px}nav.phases span{opacity:.65;font-size:14px;margin-left:8px}main.teacher{height:calc(100dvh - 145px);display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:0}.scene-column{position:relative;display:flex;flex-direction:column;min-height:0}.scene-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 24px;background:#f5f8f8}.eyebrow{font-size:13px;letter-spacing:2px;font-weight:700;color:#778c94;margin-bottom:5px}h1,h2,h3,p{margin:0}h1{font-size:23px}h2{font-size:20px}h3{font-size:17px}.scene-heading p{margin-top:7px;font-size:14px;line-height:1.6;max-width:900px}.world-wrap{position:relative;flex:1;min-height:280px}#world{position:absolute;inset:0}#world canvas{display:block;touch-action:none}.canvas-hint{position:absolute;bottom:15px;left:20px;pointer-events:none;font-size:13px;background:#ffffffdd;padding:8px 14px;border-radius:20px}.view-tools{position:absolute;top:14px;left:18px;display:flex;gap:7px;flex-wrap:wrap;right:16px}.scene-bottom{display:flex;align-items:center;gap:7px;padding:12px 20px;background:#fff;overflow-x:auto}.scene-bottom .label{white-space:nowrap;font-size:14px;color:#6d818b}aside{padding:22px;overflow-y:auto;background:#fff;border-left:1px solid #d5dfe2}aside p{line-height:1.75;font-size:15px;color:#4c6470}aside h2{margin-bottom:14px}.card{background:#f3f7f7;border:1px solid #dce6e7;border-radius:12px;padding:16px;margin:14px 0}.card.orange{background:#fff4e6;border-color:#f1d2ac}.card.teal{background:#eaf5f1;border-color:#beded5}.list{display:grid;gap:9px;margin:15px 0}.list button{text-align:left}.muted{color:#6e838d;font-size:14px}.badge{display:inline-block;font-size:13px;font-weight:600;padding:5px 9px;background:#e1edf0;color:#2f5b6b;border-radius:6px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}.full{width:100%}hr{border:0;border-top:1px solid #dfE6e8;margin:18px 0}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#173747;color:#fff;padding:14px 22px;border-radius:11px;z-index:200;box-shadow:0 5px 30px #163b4930;max-width:90vw}.modal-overlay{position:fixed;inset:0;background:#0e293da6;display:grid;place-items:center;z-index:50;padding:20px}.modal{background:#fff;border-radius:20px;width:min(1050px,96vw);max-height:94dvh;overflow:auto;padding:26px;box-shadow:0 25px 80px #08263840}.modal.narrow{max-width:580px}.modal header{height:auto;background:white;color:var(--navy);padding:0 0 20px}.modal header button{color:var(--navy);border-color:#d1dcde}.modal p{line-height:1.7;margin:10px 0}input,textarea,select{border:1px solid #bbcdd3;background:#fff;padding:11px 12px;border-radius:8px;min-width:0;width:100%;color:#173747}label{font-size:14px;display:block;margin-bottom:6px}textarea{resize:vertical;min-height:90px}.form-field{margin:14px 0}.alarm-grid{display:grid;grid-template-columns:40% 1fr;gap:25px}.avatar{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:#dbe5e8}.transcript{max-height:220px;min-height:160px;overflow:auto;display:grid;align-content:start;gap:10px;background:#f4f7f8;padding:14px;border-radius:12px;margin:15px 0}.bubble{padding:10px 13px;border-radius:10px;background:white;border:1px solid #dde7e9;line-height:1.6}.bubble.user{background:#e5f2ee;margin-left:32px}.bubble small{display:block;color:#6d8390;font-size:12px;margin-bottom:3px}.slots{display:grid;grid-template-columns:1fr 1fr;gap:8px}.slot{border:1px solid #d8e3e5;border-radius:9px;padding:10px;font-size:14px}.slot.filled{background:#e7f3ed;border-color:#bad8ca}.slot strong{display:block;margin-bottom:6px}.student{max-width:1300px;margin:auto;padding:22px}.student-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px}.map-shell{position:relative;background:white;border:1px solid #d0dcdf;border-radius:13px;overflow:hidden}canvas.plan{display:block;width:100%;aspect-ratio:1.4;touch-action:none}.toolbar{display:flex;gap:7px;flex-wrap:wrap;padding:12px;background:white;border-top:1px solid #d5dfe2}.condition-banner{padding:17px 20px;border-left:5px solid #d87933;background:#fff8ed;border-radius:10px;margin:15px 0;line-height:1.7}.student-panel{background:white;padding:20px;border:1px solid #d0dcdf;border-radius:13px}.student-panel p{line-height:1.7;font-size:15px}.route-thumb{width:100%;border:1px solid #ddd;border-radius:8px}.action-card{padding:11px 13px;margin:9px 0;border-radius:9px;border:1px solid #ccdcda;background:#eef7f1;cursor:grab;line-height:1.6;font-size:14px}.dropzone{border:2px dashed #9db8bd;border-radius:12px;padding:20px;text-align:center;margin-top:14px;background:#f6faf9;line-height:1.7}.dropzone.over{border-color:#dd7c33;background:#fff4e4}.reveal-label{font-size:38px;letter-spacing:6px;font-weight:700;margin:8px 0;color:#1c6676}.phase-states{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}.join{max-width:520px;margin:65px auto;padding:30px;background:white;border-radius:18px;box-shadow:0 10px 45px #27465310}.empty{padding:25px 10px;text-align:center;color:#778d96;line-height:1.8}.hazard-title{margin:18px 0 10px;color:#b5532d}.progress-dots{display:flex;gap:6px;margin:15px 0}.progress-dots i{height:8px;background:#dce6e8;border-radius:5px;flex:1}.progress-dots i.done{background:#197e79}a{color:#157482}footer{font-size:13px;color:#71848d;line-height:1.7}.danger{color:#b74929}.checkrow{display:flex;gap:8px;align-items:flex-start;line-height:1.7;margin:12px 0}.checkrow input{width:18px;height:18px;margin-top:4px}.status-line{min-height:24px;margin:9px 0;font-size:14px}.connection-map{display:flex;gap:10px;align-items:center;padding:14px;background:#edf5f1;border-radius:10px;margin:12px 0}.pulse{display:inline-block;width:9px;height:9px;border-radius:50%;background:#e88945;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}@media(max-width:1000px){main.teacher{grid-template-columns:minmax(0,1fr) 285px}aside{padding:16px}.scene-heading{padding:15px}.scene-heading h1{font-size:20px}.student-grid{grid-template-columns:1fr 270px}nav.phases{padding:10px}nav.phases button{padding:10px;font-size:14px}nav.phases span{display:none}}@media(max-width:720px){header{height:70px;padding:0 15px}header strong{font-size:20px}header small{display:none}header .number{font-size:20px}header .brand{gap:9px}nav.phases{flex-wrap:wrap;gap:4px}nav.phases button{flex:1 1 40%}main.teacher{height:auto;display:flex;flex-direction:column}.world-wrap{height:55dvh;min-height:380px;flex:none}.scene-column{height:auto}.scene-heading .row{display:none}.student{padding:13px}.student-grid,.alarm-grid{grid-template-columns:1fr}.modal{padding:18px}.alarm-grid .avatar{max-height:200px;object-position:center 35%}.student-panel{padding:16px}.view-tools{top:8px;left:8px;gap:4px}.view-tools button{font-size:12px;padding:7px}.scene-bottom{padding:10px}.join{margin:25px 15px}aside{border-left:0;border-top:1px solid #ccc}.slots{font-size:13px}}
.modal-overlay.hazard-overlay{background:#17374715;justify-items:end}.hazard-overlay .modal{max-width:370px;box-shadow:0 12px 50px #17374730}button.active:hover,button.primary:hover{color:white;background:#285568}button.orange:hover{color:white;background:#c75b20}@media(max-width:720px){.modal-overlay.hazard-overlay{align-items:end}.hazard-overlay .modal{max-width:100%;max-height:65dvh}}
.student-join{max-width:760px;margin:28px auto;padding:28px 32px}.student-join h1{font-size:28px;margin-top:16px}.student-join .join-lead{margin:11px 0 20px;line-height:1.75;color:#536c77}.student-join .class-code-field{max-width:300px}.student-join .class-code-field input{font-size:23px;font-weight:700;letter-spacing:.16em;text-align:center}.student-number-field{margin:20px 0}.student-number-grid{display:grid;grid-template-columns:repeat(10,minmax(44px,1fr));gap:8px;margin-top:12px;padding:12px;background:#edf3f3;border:1px solid #d4e0e2;border-radius:14px}.student-number-grid button{min-width:0;min-height:48px;padding:8px 3px;font-size:17px;font-variant-numeric:tabular-nums;background:#fff}.student-number-grid button.active{background:#173747;color:#fff;border-color:#173747;box-shadow:0 4px 12px #1737472b}.student-join .join-classroom{min-height:52px;font-size:17px}.student-join #joinError{min-height:25px;margin-top:9px}.join-separator{display:flex;align-items:center;gap:13px;margin:8px 0 14px;color:#7a8e96;font-size:13px}.join-separator::before,.join-separator::after{content:"";height:1px;background:#d7e1e3;flex:1}.roster-grid{display:grid;grid-template-columns:repeat(8,minmax(42px,1fr));gap:6px;margin-top:10px}.roster-grid span{display:block;text-align:center;padding:7px 4px;border-radius:7px;background:#e3eef0;color:#264e5d;font-weight:700;font-variant-numeric:tabular-nums}@media(pointer:coarse){.student-number-grid button{min-height:52px}.student-join button{touch-action:manipulation}}@media(max-width:720px){.student-join{margin:16px 12px;padding:22px 18px}.student-join h1{font-size:23px}.student-number-grid{grid-template-columns:repeat(6,minmax(42px,1fr));gap:7px;padding:9px}.roster-grid{grid-template-columns:repeat(5,minmax(42px,1fr))}}@media(max-width:430px){.student-number-grid{grid-template-columns:repeat(5,minmax(42px,1fr))}.student-number-grid button{font-size:16px;min-height:48px}}
/* Immersive revision: the residence fills the screen; teaching tools are a tray. */
body.immersive-mode{background:#171e20;overflow:hidden}.immersive-mode> #app>header{position:absolute;z-index:20;left:0;top:0;right:0;height:90px;background:linear-gradient(#0c182bd9,transparent);border:none;padding:0 34px;pointer-events:none}.immersive-mode> #app>header .brand{pointer-events:auto}.immersive-mode> #app>header>.row{display:none}.immersive-mode header strong{font-size:22px;letter-spacing:3px}.immersive-mode header .number{font-size:19px;background:#db793e}.immersive-mode nav.phases{position:absolute;z-index:25;top:96px;right:22px;width:345px;display:none;background:#f7f8f4ef;border-radius:14px;padding:10px;flex-wrap:wrap;backdrop-filter:blur(18px)}.immersive-mode nav.phases button{flex:1 1 40%;font-size:14px}.immersive-mode nav.phases span{display:none}.immersive-mode main.teacher{height:100dvh;display:block}.immersive-mode .scene-column{height:100dvh}.immersive-mode .scene-heading{position:absolute;z-index:18;left:35px;top:105px;padding:0;background:none;max-width:440px;color:#fff;text-shadow:0 2px 8px #0008;pointer-events:none}.immersive-mode .scene-heading .eyebrow{display:none}.immersive-mode .scene-heading h1{font-size:16px;font-weight:500;letter-spacing:1px}.immersive-mode .scene-heading p{display:none}.immersive-mode .scene-heading>.row{display:none}.immersive-mode .world-wrap{height:100dvh;min-height:100dvh}.immersive-mode .view-tools,.immersive-mode .scene-bottom,.immersive-mode .canvas-hint{display:none}.immersive-mode aside{position:absolute;z-index:24;right:22px;top:210px;bottom:25px;width:345px;border:1px solid #ffffff60;border-radius:16px;background:#f6f7f3f0;backdrop-filter:blur(20px);display:none;box-shadow:0 20px 60px #061c2a40}.immersive-mode.teaching-open aside,.immersive-mode.teaching-open nav.phases{display:block}.immersive-mode.teaching-open nav.phases{display:flex}.immersive-mode.teaching-open .view-tools{display:flex;top:auto;bottom:105px;left:30px;right:390px;z-index:22}.immersive-mode.teaching-open .scene-heading{display:none}.immersive-mode.teaching-open> #app>header>.row{display:flex;pointer-events:auto;margin-right:200px}.immersive-mode.teaching-open .scene-bottom{position:absolute;left:25px;bottom:168px;right:400px;display:flex;border-radius:14px;background:#f5f7f1df;z-index:24}.immersive-mode #immersiveHUD{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 45%,#05101923 100%)}.scene-location{position:absolute;top:154px;left:35px;color:white;display:flex;gap:10px;align-items:center;font-size:14px;text-shadow:0 1px 7px #000b}.live-line{width:20px;height:2px;background:#dbab76}.location-sub{color:#ded9cc;padding-left:10px;border-left:1px solid #ffffff66;font-size:12px}.immersive-top-actions{position:absolute;top:25px;right:32px;display:flex;gap:8px;pointer-events:auto}.immersive-top-actions button,.immersive-bottom button{background:#14202977;color:#fff;border:1px solid #ffffff40;backdrop-filter:blur(12px);font-size:14px;font-weight:500}.immersive-top-actions button:hover,.immersive-bottom button:hover{background:#263d4dcc}.reticle{position:absolute;top:50%;left:50%;width:5px;height:5px;transform:translate(-50%,-50%);border-radius:50%;background:#fff9;box-shadow:0 0 0 1px #0003}.overview .reticle{display:none}#interactHint{position:absolute;top:55%;left:50%;transform:translateX(-50%);padding:10px 17px;color:white;background:#172328aa;border:1px solid #ffffff40;border-radius:8px;font-size:14px;opacity:0;transition:opacity .15s}#interactHint.shown{opacity:1}.walk-help{position:absolute;bottom:33px;left:35px;display:flex;gap:18px;color:#fff;font-size:13px;text-shadow:0 2px 5px #0009}.immersive-bottom{position:absolute;bottom:27px;right:32px;display:flex;gap:7px;pointer-events:auto}#touchMove{position:absolute;left:25px;bottom:75px;pointer-events:auto;text-align:center;display:none}#touchMove button{background:#13252a66;color:white;min-width:48px;min-height:48px;border:1px solid #fff5;margin:2px;touch-action:none}#loadingWorld{position:absolute;bottom:80px;left:35px;padding:10px 16px;border-radius:10px;color:white;background:#152b3c99;font-size:14px}.immersive-mode .hazard-overlay{background:transparent}.immersive-mode .modal-overlay{backdrop-filter:blur(3px)}.immersive-mode .modal-overlay.hazard-overlay{backdrop-filter:none}.immersive-mode .hazard-overlay .modal{max-width:360px;background:#f4f6f1f0;backdrop-filter:blur(15px)}.immersive-mode .modal-overlay header{background:none}.immersive-mode .modal-overlay header strong{color:var(--navy)}@media(pointer:coarse){#touchMove{display:block}.walk-help{display:none}}@media(max-width:800px){.immersive-top-actions{right:16px;top:90px}.immersive-top-actions button{font-size:12px;padding:7px}.immersive-mode> #app>header{padding-left:20px}.immersive-mode .scene-heading{left:20px;top:150px}.scene-location{left:20px;top:184px}.immersive-bottom{right:15px;bottom:17px;gap:4px}.immersive-bottom button{font-size:12px;padding:8px}.walk-help{bottom:75px;left:20px;font-size:11px;gap:10px}.immersive-mode.teaching-open aside{right:12px;width:320px;top:250px}.immersive-mode.teaching-open nav.phases{right:12px;width:320px;top:135px}.immersive-mode.teaching-open .scene-bottom{display:none}.immersive-mode.teaching-open .view-tools{right:350px;bottom:130px}.immersive-mode.teaching-open> #app>header>.row{display:none}}
.immersive-mode.teaching-open> #app>header>.row{position:absolute;left:370px;top:25px;margin:0;right:auto}@media(max-width:800px){.immersive-mode.teaching-open> #app>header>.row{display:none}}
/* v3: tools sit around the scene; household interactions happen inside it. */
.experience-v3>#app>header,.experience-v3 .scene-heading{display:none!important}.experience-v3 .scene-location{top:26px;left:30px;text-shadow:0 1px 8px #0009;gap:12px}.scene-emblem{border:1px solid #ead7b380;border-radius:50%;width:43px;height:43px;display:grid;place-items:center;font-size:15px;color:#f3e3c6;background:#18252988}.experience-v3 .scene-location>div{display:grid;gap:5px}.experience-v3 .scene-location small{font-size:10px;letter-spacing:2px;color:#e2dfd5}.experience-v3 .location-sub{font-size:11px}.experience-v3 .immersive-top-actions{top:28px;right:28px;gap:7px}.experience-v3 .immersive-top-actions>button,.scene-settings>summary{background:#15242d77;border:1px solid #fff3;color:#f1eee6;border-radius:24px;font-size:12px;font-weight:400;min-height:38px;padding:10px 16px;backdrop-filter:blur(14px)}.scene-settings{position:relative;pointer-events:auto}.scene-settings>summary{list-style:none;cursor:pointer}.scene-settings>summary::-webkit-details-marker{display:none}.scene-settings>div{position:absolute;right:0;top:48px;width:220px;padding:14px;background:#15232bea;border:1px solid #f5e9ce30;border-radius:15px;display:grid;gap:7px;box-shadow:0 20px 45px #0005;backdrop-filter:blur(18px)}.scene-settings button{background:#ffffff0b;border:1px solid #ffffff1c;color:#eee7d8;text-align:left;font-size:12px;font-weight:400;min-height:34px}.scene-settings small,.scene-settings a{color:#c5c7c4;line-height:1.6;font-size:10px;margin-top:6px;text-decoration:none}.experience-v3 #immersiveHUD{background:radial-gradient(ellipse at center,transparent 50%,#08111536)}.experience-v3 .reticle{width:3px;height:3px;background:#fffc}.experience-v3 #interactHint{font-size:12px;border-radius:30px;background:#172126bc;top:55%;padding:10px 18px;letter-spacing:.4px;max-width:80vw;white-space:nowrap}.experience-v3 .walk-help{bottom:93px;left:50%;transform:translateX(-50%);font-size:11px;gap:10px;white-space:nowrap;opacity:.7}.walk-help i{font-style:normal}.room-quick{pointer-events:auto;position:absolute;bottom:27px;left:50%;transform:translateX(-50%);display:flex;gap:3px;align-items:center;border:1px solid #e7e1d133;padding:6px 10px;background:#142128a6;border-radius:30px;backdrop-filter:blur(18px);box-shadow:0 10px 30px #0002;max-width:75vw;overflow:auto;scrollbar-width:none}.room-quick>span{font-size:10px;color:#c7c6bc;padding:0 9px;white-space:nowrap}.room-quick>button{min-height:34px;border:0;color:#f3eee3;background:transparent;font-size:12px;font-weight:400;padding:6px 11px;border-radius:20px;white-space:nowrap}.room-quick>button:hover{background:#e6d4b62b}.experience-v3 .immersive-bottom{bottom:28px;right:25px}.experience-v3 .immersive-bottom>button{border-radius:22px;font-size:11px;min-height:43px;background:#15232a90}.experience-v3 #touchMove{left:18px;bottom:23px;opacity:.7}.experience-v3 #touchMove button{min-width:37px;min-height:37px;font-size:14px;border-radius:50%;padding:5px}.experience-v3.teaching-open nav.phases{top:85px}.experience-v3.teaching-open aside{top:200px}.experience-v3.teaching-open .scene-bottom{bottom:165px;right:390px}.experience-v3.teaching-open .view-tools{bottom:115px}.experience-v3 #loadingWorld{bottom:150px;left:30px;font-size:12px;border:1px solid #fff2;background:#172a35a6;z-index:5}#travelVeil{position:absolute;inset:0;background:#152127;opacity:0;transition:opacity .14s;pointer-events:none;z-index:29}#travelVeil.on{opacity:1}#arrival{position:absolute;inset:0;z-index:28;pointer-events:auto;background:linear-gradient(90deg,#0d1c27b0,transparent 78%),linear-gradient(0deg,#10202b99,transparent 80%);display:flex;align-items:flex-end;padding:0 7vw 11vh;color:#f1ece0}#arrival>div{max-width:560px}.arrival-kicker{font-size:12px;letter-spacing:4px;color:#dfc59a}#arrival h1{font-size:clamp(28px,4vw,54px);font-weight:500;letter-spacing:2px;line-height:1.4;margin:20px 0}#arrival p{font-size:15px;letter-spacing:1px;color:#ddd9ce}.arrival-actions{display:flex;gap:12px;align-items:center;margin:30px 0 20px}.arrival-actions button{border:1px solid #f2e1bd66;background:#e4cda8;color:#243039;border-radius:30px;padding:14px 26px;font-size:14px;font-weight:500}.arrival-actions #enterSilent{background:transparent;color:#f0e6d3;border:0;font-size:12px;padding:12px}.arrival-actions button:hover{background:#f2dfbc}.arrival-actions #enterSilent:hover{background:#ffffff12}.intro-open .room-quick,.intro-open .walk-help,.intro-open .reticle,.intro-open .scene-location,.intro-open .immersive-top-actions,.intro-open .immersive-bottom,.intro-open #touchMove{visibility:hidden}#arrival small{font-size:11px;letter-spacing:1px;color:#bfc8c7}#holdPanel{pointer-events:auto;position:absolute;bottom:100px;left:50%;transform:translateX(-50%);max-width:400px;width:86vw;background:#14232aeb;color:#ebe7dc;border:1px solid #ecdec33a;border-radius:17px;padding:19px 23px;text-align:center;backdrop-filter:blur(16px)}#holdPanel[hidden]{display:none}#holdPanel small{color:#c6ae86;font-size:10px;letter-spacing:2px}#holdPanel h3{font-size:18px;font-weight:500;margin:10px 0}#holdPanel p{font-size:12px;line-height:1.6;color:#c4cdcb}#holdPanel>div{display:flex;justify-content:center;gap:8px;margin-top:17px}#holdPanel button{font-size:12px;border-radius:22px;min-height:36px;color:#eee5d4;border:1px solid #ffffff30;background:#ffffff12}.holding-item .room-quick,.holding-item .reticle,.holding-item #interactHint,.holding-item .walk-help,.holding-item #touchMove{display:none}.holding-item #immersiveHUD{background:radial-gradient(ellipse at center,transparent 5%,#0b1c2999)}@media(max-width:800px){.experience-v3 .scene-location{left:17px;top:18px}.experience-v3 .location-sub{display:none}.experience-v3 .immersive-top-actions{top:20px;right:15px}.experience-v3 .immersive-top-actions>button,.scene-settings>summary{padding:9px 11px;font-size:11px}.scene-emblem{width:35px;height:35px}.experience-v3 .scene-location small{display:none}.experience-v3 .scene-location #whereAmI{font-size:11px}.room-quick{bottom:24px;max-width:62vw;padding:4px 6px}.room-quick>span{display:none}.room-quick>button{padding:6px 8px;font-size:11px}.experience-v3 .immersive-bottom{bottom:86px;right:14px}.experience-v3 .walk-help{bottom:140px;font-size:10px}.experience-v3.teaching-open aside{top:200px}.experience-v3.teaching-open nav.phases{top:86px}#arrival{padding-bottom:13vh}.experience-v3 #holdPanel{bottom:145px}.experience-v3 .scene-settings>div{width:200px}}@media(prefers-reduced-motion:reduce){#travelVeil{transition:none}}
@media(pointer:coarse){.experience-v3 #touchMove button{min-width:44px;min-height:44px}}@media(max-width:600px){.experience-v3 .scene-location>div{display:none}.experience-v3 .room-quick{bottom:138px;max-width:calc(100vw - 28px)}.experience-v3 .immersive-bottom{bottom:35px}.experience-v3 .scene-settings>div{max-height:65dvh;overflow:auto}}
/* v4 physical scene entry and compact fire observation controls */
.scene-transit{pointer-events:auto;position:absolute;top:86px;left:30px;display:flex;gap:3px;padding:4px;border:1px solid #ffffff28;border-radius:22px;background:#16252ac4;backdrop-filter:blur(12px)}.scene-transit button,.fire-observer button,.exterior-views button{border:0;color:#f3f1e9;background:transparent;border-radius:18px;min-height:34px;padding:6px 12px;font-size:12px;font-weight:500}.scene-transit button:hover,.scene-transit .selected,.exterior-views button:hover{background:#ffffff26}.fire-observer{pointer-events:auto;position:absolute;top:148px;left:30px;width:210px;border-left:2px solid #cf9b66;padding:3px 0 3px 14px;color:#fff;text-shadow:0 1px 4px #0008}.fire-observer[hidden],.exterior-views[hidden]{display:none}.fire-observer span{display:block;font-size:11px;opacity:.8}.fire-observer strong{display:block;font-weight:500;margin:7px 0;font-size:18px}.fire-observer div{display:flex;gap:5px}.fire-observer button{background:#24343acc;padding:4px 10px;font-size:11px}.exterior-views{pointer-events:auto;position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:5px;border-radius:24px;background:#17282bdc;padding:5px;white-space:nowrap}body[data-scene-view="fire"] .room-quick,body[data-scene-view="exterior"] .room-quick,body[data-scene-view="connection"] .room-quick{display:none}body[data-scene-view="exterior"] .walk-help,body[data-scene-view="exterior"] .immersive-bottom,body[data-scene-view="exterior"] #touchMove,body[data-scene-view="exterior"] .reticle{display:none}body.intro-open .scene-transit,body.intro-open .fire-observer{visibility:hidden}@media(max-width:600px){.scene-transit{top:72px;left:12px;right:12px;width:max-content;max-width:calc(100vw - 24px)}.scene-transit button{font-size:11px;padding:5px 11px}.fire-observer{top:126px;left:14px;width:190px}.exterior-views{bottom:24px}.fire-observer strong{font-size:15px}}.holding-item .scene-transit,.holding-item .fire-observer{display:none}
body[data-scene-view="exterior"][data-outside-mode="walk"] #touchMove{display:block}body[data-scene-view="exterior"][data-outside-mode="walk"] .walk-help{display:flex}body[data-scene-view="exterior"][data-outside-mode="walk"] .walk-help span:last-child{display:none}body[data-scene-view="exterior"][data-outside-mode="walk"] .walk-help{bottom:91px}body[data-scene-view="exterior"][data-outside-mode="walk"] .reticle{display:block}
@media(pointer:fine){body[data-scene-view="exterior"][data-outside-mode="walk"] #touchMove{display:none}}