/* Real model viewport and projected, screen-readable labels. */
#mapScene canvas{display:block;width:100%;height:100%;outline:none}
#mapScene:focus-visible{outline:2px solid #b59b68;outline-offset:-3px}
#mapScene[hidden],#mapSceneFallback{display:none}
.model-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.model-label{position:absolute;transform:translate(-50%,-100%);white-space:nowrap;pointer-events:none;text-align:center;font:450 11px/1.4 "Navigation Sans","Microsoft YaHei",sans-serif;color:#4f5e58;letter-spacing:.2px}
.model-label span{display:block}
.model-room{padding:3px 7px;border:1px solid #d5dbd2b8;border-radius:4px;background:#fffff5e8;box-shadow:0 2px 4px #4852440c}
.model-zone{background:transparent;border:0;box-shadow:none;color:#7b877c;font-size:12px;font-weight:450}
.model-lift{display:flex;align-items:center;gap:6px;background:#f9fcf5f5;border:1px solid #b8c9bd;border-radius:6px;padding:3px 8px;box-shadow:0 4px 9px #405b4610;color:#557161}
.model-lift span:first-child{font-family:Arial,sans-serif;font-size:22px;font-weight:400;color:#6d8e78;line-height:1}
.model-lift span:last-child{font-size:11px}
.model-start,.model-goal{padding:6px 10px;border-radius:7px;border:1px solid #e0cfa5;background:#fffdf6fa;box-shadow:0 4px 14px #575a3f12;font-size:12px;color:#8c703a}
.model-start span+span,.model-goal span+span{font-size:9px;margin-top:2px;opacity:.70;font-weight:400}
.model-goal{color:#296782;border-color:#a6c8d5;background:#f8fcfffa}
.model-goal.arrived{color:#3b7a54;border-color:#98c0a0;background:#f4fff3}
.model-heading{position:absolute;left:24px;top:61px;pointer-events:none;display:flex;align-items:baseline;gap:10px}
.model-heading b{font-size:29px;font-weight:350;color:#8b927e;letter-spacing:-1px}
.model-heading span{font-size:11px;color:#939c87;letter-spacing:.5px}
.model-hint{position:absolute;left:24px;bottom:37px;font-size:10px;color:#9aa18d;pointer-events:none}
.model-orbit{position:absolute;right:22px;bottom:41px;display:flex;align-items:center;gap:4px;z-index:2;padding:3px;border:1px solid #dfe4d8;border-radius:8px;background:#fffff8ec}
.model-orbit[hidden]{display:none}
.model-orbit button{border:0;background:none;color:#7e8d79;width:30px;height:29px;border-radius:5px;font-size:24px;font-family:Arial,sans-serif;line-height:1}
.model-orbit button:hover{background:#f0f2e7}
.model-orbit span{font-size:10px;color:#9aa28f}
.map-card{background:radial-gradient(ellipse at 48% 45%,#fafbf5,#eef1e7 95%)}
@media(min-width:1700px){.model-room{font-size:12px}.model-heading{top:65px}.model-heading b{font-size:34px}}
@media(max-width:600px){.model-room{font-size:9px;padding:2px 4px}.model-zone{font-size:9px}.model-start,.model-goal{font-size:10px;padding:4px 6px}.model-heading{top:49px;left:14px;gap:7px}.model-heading b{font-size:22px}.model-heading span{font-size:9px}.model-hint{left:14px;bottom:34px;font-size:8px}.model-orbit{right:12px;bottom:36px}.model-orbit button{width:26px;height:26px}.model-lift{padding:2px 4px;gap:4px}.model-lift span:first-child{font-size:17px}.model-lift span:last-child{font-size:9px}}


.model-orbit #toggleWalls{width:auto;padding:0 9px;margin-right:3px;border-right:1px solid #dfe4d8;border-radius:4px 0 0 4px;font:400 11px "Navigation Sans","Microsoft YaHei",sans-serif;color:#7c8e79}
.model-orbit #toggleWalls[aria-pressed=true]{color:#8c713a;background:#f5efde}
@media(max-width:600px){.model-orbit #toggleWalls{font-size:10px;padding:0 6px}}

/* Navigation starts on one floor; the model supports orientation, not an automatic building tour. */
[hidden]{display:none!important}
button:disabled{opacity:.48;cursor:default}
.destination{min-height:52px;padding:8px 11px}
.destination b{font-size:14px}.destination small{font-size:10px}
.destinations{gap:7px}
.floor-overview{font-size:13px;color:#7b8775;line-height:1.9}
.floor-overview b{font-weight:500;color:#576952}.floor-overview p{margin:10px 0}
.floor-overview ul{padding-left:18px;display:grid;grid-template-columns:1fr 1fr;gap:7px}
.route-notice{border-left:2px solid #c0a475;background:#f8f3e8;padding:8px 10px;margin:0 0 9px;font-size:11px;line-height:1.65;color:#89744e}
.return-button{border:0;border-top:1px solid #e6e9dc;background:none;color:#8a7445;width:100%;text-align:left;padding:11px 0 0;font:400 12px "Navigation Sans",sans-serif;margin-top:9px}
.route-panel{overflow:auto}
.steps{gap:12px}.step-button b{font-size:14px}.step-button small{font-size:10px}
.transfer-card{position:absolute;right:22px;bottom:65px;z-index:3;width:238px;padding:15px 16px 12px;border:1px solid #d5dfcf;background:#fffffaf5;border-radius:13px;box-shadow:0 8px 25px #56664c16;pointer-events:none;display:flex;flex-direction:column;gap:5px;color:#72836a}
.transfer-card>span{font-size:10px;letter-spacing:1px}
.transfer-card>strong{font-size:23px;font-weight:450;color:#4f705a;letter-spacing:2px}
.transfer-scene{display:flex;align-items:center;gap:12px;margin:9px 0 5px}
.transfer-rail{height:118px;width:55px;margin-right:21px;position:relative;background:linear-gradient(90deg,#e8eee4,#f7faf3 50%,#e8eee4);border:1px solid #d3ddce;border-radius:6px;flex-shrink:0}
.transfer-level{position:absolute;left:0;right:-20px;height:1px;background:#c9d6c3;bottom:7px}
.transfer-level b{position:absolute;right:-1px;bottom:-5px;font-size:10px;font-weight:450;background:#fffffa;padding-left:4px}
.level-three{bottom:87px}.level-two{bottom:47px}
.transfer-cab{position:absolute;left:8px;bottom:6px;width:36px;height:31px;border:2px solid #527d71;border-radius:3px;background:#e8f1eb;overflow:hidden;box-shadow:0 3px 5px #263d3a1f;--door-open:100%}
.transfer-door{position:absolute;top:0;bottom:0;width:50%;background:linear-gradient(90deg,#b2c6c1,#d9e5df);border-right:1px solid #86a69d}
.transfer-door.left{left:0;transform:translateX(calc(0% - var(--door-open)))}.transfer-door.right{right:0;transform:translateX(var(--door-open));border-left:1px solid #86a69d;border-right:0}
.transfer-passenger{position:absolute;width:9px;height:14px;left:11px;bottom:1px;background:#4d91b4;border-radius:4px 4px 1px 1px}
.transfer-passenger:before{content:"";position:absolute;width:7px;height:7px;left:1px;top:-7px;border-radius:50%;background:#c7a17e}
.transfer-detail{display:flex;flex-direction:column;gap:8px}
.transfer-detail>b{font-size:15px;color:#4f705a;font-weight:500}
.transfer-detail small{font-size:10px;line-height:1.7}
.transfer-detail>span{font-size:9px;color:#8a9585;line-height:1.7}
.transfer-progress{height:3px;background:#e7eddf;border-radius:3px;overflow:hidden;margin-top:4px}
.transfer-progress i{display:block;height:100%;width:0;background:#85a679}
@media(min-width:1051px) and (max-height:950px){.route-panel{padding:17px}.route-summary{padding-top:10px;padding-bottom:8px;margin-top:10px}.steps{gap:10px}.step-button{padding:2px 0}.return-button{padding-top:7px;margin-top:7px}}
@media(max-width:600px){
.map-topbar{flex-wrap:wrap}.view-switch{width:100%;justify-content:space-between}.view-switch button{flex:1}.map-card{height:485px}
.map-inspector{gap:3px}.map-inspector button{padding:5px 4px}#followWalker{font-size:9px}
.zoom-controls #resetMap{font-size:9px}.zoom-controls span{min-width:27px}
.model-heading{top:53px}.transfer-card{right:12px;bottom:57px;width:197px;padding:10px 12px}
.transfer-card>strong{font-size:19px}.transfer-scene{gap:8px}.transfer-detail>b{font-size:13px}
.destination{min-height:59px}.destination b{font-size:15px}.destination small{font-size:11px}.step-button b{font-size:15px}
}

/* Once a route is chosen, reserve the panel for step-by-step directions. */
body[data-route-selected=true] .destination{min-height:40px;padding:5px 9px;gap:10px}
body[data-route-selected=true] .destination .floor-token{width:29px;height:29px;font-size:16px;border-radius:6px}
body[data-route-selected=true] .destination small{display:none}
body[data-route-selected=true] .destination b{font-size:13px}
body[data-route-selected=true] .destinations{gap:6px}
.steps{flex:1;gap:6px}.steps li{min-height:39px}
@media(min-width:1051px) and (max-height:950px){.step-button b{font-size:13px}.step-button small{font-size:10px}.step-number{width:27px;height:27px}.steps li:not(:last-child):before{left:13px}.return-button{flex-shrink:0}}

@media(max-width:600px){.model-heading{top:42px}.model-heading span{display:none}}

/* Whole-building overview: compact model, numbered floor access, restrained edge colours. */
.model-floor-badge{pointer-events:auto;display:flex;align-items:center;gap:9px;padding:5px 10px;border:1px solid #d5ddd1;background:#fffff9f5;border-radius:7px;box-shadow:0 3px 12px #4c5a3f14;cursor:pointer}
.model-floor-badge span:first-child{font-size:25px;font-weight:400;line-height:1.2;color:#9b865e}
.model-floor-badge span+span{font-size:11px}
.model-floor-badge[data-space=floor-2] span:first-child{color:#6a9282}
.model-floor-badge[data-space=floor-3] span:first-child{color:#718fa5}
.model-floor-badge:hover,.model-floor-badge:focus-visible{border-color:#b7a477;background:#fff9e9;outline:none}
.model-orbit #spreadFloors{width:auto;font:400 11px "Navigation Sans",sans-serif;padding:0 9px;color:#7c8e79;border-right:1px solid #dfe4d8}
#mapScene[data-overview=true] .model-heading{top:53px}
#mapScene[data-overview=true] .model-lift{padding:2px 5px;gap:3px}
#mapScene[data-overview=true] .model-lift span:first-child{font-size:17px}
#mapScene[data-overview=true] .model-lift span:last-child{font-size:9px}
@media(max-width:600px){.model-floor-badge{gap:4px;padding:3px 5px}.model-floor-badge span:first-child{font-size:18px}.model-floor-badge span+span{font-size:9px}.model-orbit #spreadFloors{font-size:9px;padding:0 5px}#mapScene[data-overview=true] .model-heading{top:42px}}

.model-transit{font-size:11px;font-weight:500;padding:7px 11px;border:1px solid #7bb4b9;background:#f7fffff5;color:#347f8e;box-shadow:0 3px 12px #315d6126;border-radius:8px;white-space:nowrap}.model-transit:after{content:"";position:absolute;left:50%;top:100%;height:15px;width:1px;background:#67a8b4}.model-transit:before{content:"";position:absolute;left:calc(50% - 3px);top:calc(100% + 12px);width:7px;height:7px;background:#4d96ad;border:1px solid white;border-radius:50%}

/* Reserve a separate animation area on narrow screens, keeping the building unobscured. */
@media(max-width:600px){
.map-card:has(#transferCard:not([hidden])){height:675px}
.scene-shell:has(#transferCard:not([hidden])) #mapScene{height:calc(100% - 190px)}
.scene-shell:has(#transferCard:not([hidden])) .model-orbit{bottom:226px}
.scene-shell:has(#transferCard:not([hidden])) .map-key{bottom:202px}
.transfer-card{left:12px;right:12px;bottom:12px;width:auto;padding:13px 12px;display:grid;grid-template-columns:81px 1fr;column-gap:9px;align-items:center}
.transfer-card>span{grid-column:1;grid-row:1;align-self:end;line-height:1.7;letter-spacing:0}
.transfer-card>strong{grid-column:1;grid-row:2;align-self:start;font-size:18px;letter-spacing:1px;white-space:nowrap}
.transfer-scene{grid-column:2;grid-row:1 / 3;margin:0;gap:8px}
.transfer-rail{width:43px}.transfer-cab{left:3px;width:35px}
.transfer-detail>span{font-size:8px}
.transfer-progress{grid-column:1 / 3;width:100%}
}

/* Important route labels move aside; their leader keeps the mapped location unambiguous. */
.model-label{z-index:1}
.model-label-leader{position:absolute;height:1px;background:#428e91;opacity:.62;transform-origin:0 50%;pointer-events:none;z-index:0}
.model-turn{padding:5px 10px;border:1px solid #8bbfc2;border-radius:7px;background:#f3fffff5;color:#216c7b;box-shadow:0 3px 9px #24495b14;font-size:12px;font-weight:550}

/* Rooms stay quiet until hovered or selected; text continues to avoid the traveler. */
.model-room[role=button]{pointer-events:auto;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.model-room[role=button]:hover{background:#eaf9f5;border-color:#008f80;color:#006b60}
.model-room[role=button]:focus-visible{outline:3px solid #0873c6;outline-offset:3px}
.model-room.selected{background:#008f80;border-color:#007b70;color:#fff;box-shadow:0 0 0 3px #008f8020}
.map-space[role=button],.clickable-room{pointer-events:auto;cursor:pointer}
.map-space.selected .space-fill{fill:#7bd5c3;stroke:#008f80;stroke-width:2}
.space-label.clickable-room.selected{fill:#006c60;paint-order:stroke;stroke:#fff;stroke-width:3px}
.map-space[role=button]:focus-visible{outline:none}.map-space[role=button]:focus-visible .space-fill{stroke:#0873c6;stroke-width:4}
.room-hit-area{fill:transparent;pointer-events:all}
.source-room.selected .room-hit-area{fill:#008f8038;stroke:#008f80;stroke-width:2}
.source-room:focus-visible .room-hit-area,.source-room:hover .room-hit-area{stroke:#0873c6;stroke-width:3}