#underground-root{color:#14324a;font-synthesis:none;--navy:#14324a;--blue:#236a9f;--line:#d9e4e8;background:#f1f5f6;font-family:Segoe UI,Arial,sans-serif}#underground-root *{box-sizing:border-box}#underground-root{margin:0}.logo-link{line-height:0;display:block}.proposal-link{color:#236a9f;white-space:nowrap;font-size:13px;font-weight:600;text-decoration:none}.proposal-link:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,#scene:focus-visible{outline-offset:3px;outline:3px solid #236a9f}button{color:inherit}button:disabled{cursor:default;opacity:.4}button,input{touch-action:manipulation}button{border:1px solid var(--line);background:#fff;border-radius:6px}button:hover{background:#eef4f7}button.active{color:#fff;background:var(--navy);border-color:var(--navy)}[hidden]{display:none!important}.header{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:25px;height:88px;padding:16px 28px;display:flex}.logo{width:260px;height:auto;display:block}.header-divider{background:var(--line);width:1px;height:34px}.project{flex-direction:column;gap:4px;display:flex}.project strong{font-size:18px}.project span{color:#657985;font-size:14px}.concept{color:#735039;white-space:nowrap;background:#f8eee4;border:1px solid #e8d7c5;border-radius:5px;margin-left:auto;padding:8px 12px;font-size:13px}.icon-button{border-radius:50%;width:34px;height:34px;font-size:18px}.workspace{grid-template-columns:286px minmax(0,1fr);height:calc(100dvh - 122px);min-height:650px;display:grid}.sidebar{border-right:1px solid var(--line);z-index:5;background:#fff;padding:28px 22px 18px;overflow:auto}.eyebrow{letter-spacing:.09em;text-transform:uppercase;color:#607889;font-size:12px;font-weight:600}.side-heading h1{letter-spacing:-.035em;margin:10px 0;font-size:29px;font-weight:600;line-height:1.14}.side-heading p{color:#5a6b77;margin:0 0 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#14324a0a}.bottom-controls{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#5c7281;background:#ffffffca;border-top:1px solid #d9e4e8;justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding:12px 23px;font-size:12px;display:flex;position:absolute;bottom:0;left:0;right:0}.unit{white-space:nowrap}.compass{color:#567187;flex-direction:column;align-items:center;gap:8px;display:flex;position:absolute;bottom:73px;right:25px}.compass>span{text-align:center;border:1px solid #9cb1be;border-radius:50%;width:40px;height:40px;font-size:25px;line-height:39px;display:block}.compass small{font-size:11px}.detail{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffed;border:1px solid #d5e0e7;border-radius:10px;width:262px;padding:20px;position:absolute;top:256px;right:26px;box-shadow:0 10px 40px #14324a10}.detail .close{background:0 0;border:none;font-size:22px;position:absolute;top:8px;right:9px}.detail 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i{border-radius:50%;width:7px;height:7px;display:block}.annotation:hover{z-index:1;background:#fff}#annotations{pointer-events:none;position:absolute;inset:0;overflow:hidden}.fly-pad{gap:5px;display:flex;position:absolute;bottom:68px;left:24px}.fly-pad button{touch-action:none;-webkit-user-select:none;user-select:none;background:#fffffff2;min-width:42px;height:42px;padding:8px;font-size:16px}.fly-pad button:active{color:#fff;background:#14324a}footer{color:#c7d7e1;letter-spacing:.04em;background:#14324a;justify-content:space-between;align-items:center;height:34px;padding:0 25px;font-size:10px;display:flex}.footer-separator{opacity:.4;margin:0 10px}dialog{border:1px solid var(--line);width:calc(100% - 32px);max-width:590px;color:var(--navy);border-radius:12px;padding:35px;box-shadow:0 20px 100px #14324a40}dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#122f4866}dialog h2{letter-spacing:-.025em;font-size:28px;font-weight:600}dialog p{color:#496171;font-size:16px;line-height:1.6}.dialog-close{border:none;font-size:25px;position:absolute;top:12px;right:14px}.notice{background:#f1f5f6;border-left:3px solid #4fa9b8;padding:14px;font-size:14px!important}.primary{background:var(--navy);color:#fff;padding:11px 18px}.primary:hover{background:#236a9f}@media (width>=1600px){.workspace{grid-template-columns:310px minmax(0,1fr)}.sidebar{padding:35px 28px}.side-heading h1{font-size:33px}.section-label{margin-top:28px}.layer-row{min-height:43px}}@media (width<=1100px){.header{gap:15px;padding:12px 18px}.logo{width:215px}.concept{font-size:11px}.workspace{grid-template-columns:252px minmax(0,1fr)}.sidebar{padding:23px 16px}.side-heading h1{font-size:27px}.scene-title{top:22px;left:20px}.scene-toolbar{top:118px;left:20px;right:auto}.camera-tools{top:22px;right:17px}.detail{width:228px;padding:17px;top:210px;right:17px}.bottom-controls{padding:10px 15px;font-size:11px}.unit{display:none}}@media (width<=700px){.header{flex-wrap:wrap;gap:6px 12px;height:76px;padding:10px 14px}.logo{width:173px}.header-divider{display:none}.project{margin-left:auto}.project strong{font-size:14px}.project span{font-size:11px}.concept{order:3;margin-left:0;padding:2px 5px;font-size:10px}.icon-button{width:26px;height:26px;font-size:15px}.workspace{flex-direction:column;height:auto;min-height:0;display:flex}.viewport{order:0;height:65dvh;min-height:410px}.sidebar{border-right:none;order:1;grid-template-columns:1fr 1fr;gap:0 20px;padding:20px;display:grid;overflow:visible}.side-heading{grid-column:1/-1}.side-heading h1{margin:5px 0 7px;font-size:26px}.side-heading h1 br{display:none}.side-heading p{margin-bottom:5px}.section-label{grid-column:1/-1;margin-top:19px}.views{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.view{justify-content:center;padding:5px;font-size:12px}.view span{display:none}.layers{grid-column:1/-1;grid-template-columns:1fr 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small{display:none}.compass>span{width:30px;height:30px;font-size:20px;line-height:29px}.fly-pad{gap:3px;bottom:54px;left:13px}.fly-pad button{min-width:34px;height:36px;padding:5px;font-size:13px}footer{flex-wrap:wrap;gap:8px;height:auto;min-height:45px;padding:10px 16px;font-size:9px}dialog{padding:25px}dialog h2{font-size:24px}dialog p{font-size:14px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.workspace{grid-template-columns:240px minmax(0,1fr) 320px}.sidebar{padding:24px 18px}.side-heading h1{font-size:27px}.planner{border-left:1px solid var(--line);z-index:6;background:#fff;min-width:0;padding:25px 22px;overflow:auto}.planner h2{letter-spacing:-.03em;margin:8px 0;font-size:24px;font-weight:600}.planner-intro{color:#607584;margin:0 0 17px;font-size:14px;line-height:1.5}.preset-buttons{grid-template-columns:1fr 1fr;gap:6px;margin-bottom:16px;display:grid}.preset-buttons button{background:#f1f5f6;padding:10px 6px;font-size:13px}.preset-buttons button:hover{background:#e3edf2}.planner-range{margin:14px 0 5px}.planner-range label{justify-content:space-between;align-items:baseline;gap:8px;font-size:13px;display:flex}.planner-range output{color:#236a9f;white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:600}.planner-range input{accent-color:#236a9f;width:100%;margin:11px 0 0}.micro-copy{color:#637986;margin:8px 0 12px;font-size:12px;line-height:1.45}.planner-divider{background:var(--line);height:1px;margin:19px 0}.planner-subheading{justify-content:space-between;align-items:center;gap:10px;font-size:15px;display:flex}.planner-subheading button{padding:6px 8px;font-size:12px}.planner-subheading button.active{background:#236a9f}.size-fields{grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:17px;display:grid}.size-fields label{color:#526f80;font-size:12px}.size-fields input{color:#14324a;border:1px solid #cbd9e1;border-radius:5px;width:100%;min-width:0;margin-top:5px;padding:9px 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0}#reservation-form{flex-direction:column;gap:6px;display:flex}#reservation-form>label{margin-top:5px;font-size:13px}#reservation-form>input,#reservation-form>select{color:#14324a;background:#fff;border:1px solid #cbd9e1;border-radius:5px;width:100%;padding:10px;font-size:14px}.reserve-button{color:#fff;background:#14324a;margin-top:10px;padding:12px;font-size:14px;font-weight:600}.reserve-button:hover{background:#236a9f}.reserve-button:disabled{color:#718593;opacity:1;background:#e5ecf0;border-color:#dbe4e9}.save-feedback{color:#236a9f;margin-top:10px;font-size:13px;line-height:1.5}.save-feedback.error{color:#a3452b}.saved-heading{border-top:1px solid var(--line);justify-content:space-between;margin-top:21px;padding-top:18px;font-size:14px;display:flex}.saved-heading span{font-variant-numeric:tabular-nums;color:#617888}.reservations-list>p{color:#637986;font-size:13px;line-height:1.5}.saved-row{border:1px solid 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#198b97}.legend-saved{background:#39588b40;border:2px solid #39588b}.corridor-label{z-index:2;color:#125d66;background:#f4ffffed;border:1px solid #288e98;border-radius:5px;max-width:210px;padding:7px 10px;font-size:12px;position:absolute;transform:translate(-50%,-100%);box-shadow:0 3px 12px #14324a14}.corridor-label.conflict{color:#8e3f24;background:#fff5eded;border-color:#b46638}.corridor-label small{margin-top:3px;font-size:10px;display:block}.viewport.is-placing #scene{cursor:crosshair!important}.detail .reservation-note{color:#536e81;margin:12px 0 0;font-size:12px;line-height:1.5}.detail{top:245px}.scene-toolbar{top:113px;left:20px;right:auto}.camera-tools{top:23px}.fly-pad{bottom:190px}.planner select:focus-visible,.planner input:focus-visible{outline-offset:2px;outline:3px solid #236a9f}.view{font-size:13px}.view span{font-size:17px}@media (width>=1600px){.workspace{grid-template-columns:260px minmax(0,1fr) 344px}.planner{padding:29px 26px}.sidebar{padding:28px 22px}.planner-range label{font-size:14px}.scene-toolbar{top:25px;left:auto;right:24px}.camera-tools{top:110px}.view{font-size:14px}.planning-legend{left:27px}}@media (width<=1100px) and (width>=701px){.workspace{grid-template-columns:195px minmax(0,1fr) 286px}.sidebar{padding:22px 12px}.side-heading h1{font-size:24px}.side-heading p{font-size:13px}.views{grid-template-columns:1fr}.view{min-height:35px;padding:7px 10px}.planner{padding:22px 16px}.planner h2{font-size:22px}.layer-row{gap:5px;padding:0}.layer-row label{gap:6px}.layer-row label span{font-size:13px}.layer-info{padding:6px}.scene-title{left:13px}.scene-title .eyebrow{max-width:150px;font-size:10px}.scene-toolbar{top:119px;left:12px}.scene-toolbar button{padding:8px;font-size:12px}.detail{width:205px;top:190px;right:12px}.planning-legend{padding:8px;font-size:10px;left:12px}.bottom-controls{font-size:10px}}@media (width<=700px){.workspace{height:auto;display:flex}.viewport{order:0;height:60dvh;min-height:410px}.planner{border-left:none;border-top:1px solid var(--line);order:1;padding:23px 20px;overflow:visible}.sidebar{border-top:1px solid var(--line);order:2;padding:23px 20px}.planner h2{font-size:26px}.planner-range label{font-size:14px}.planner-intro{font-size:15px}.preset-buttons button{font-size:14px}.size-fields input{font-size:16px}.planner-range input{height:24px;margin-top:8px}#reservation-form>input,#reservation-form>select{font-size:16px}.planning-legend{gap:5px;padding:7px;font-size:9px;bottom:51px;left:12px}.corridor-label{max-width:160px;font-size:11px}.scene-toolbar{top:100px;left:15px}.camera-tools{top:18px}.detail{top:145px}.fly-pad{bottom:150px}.view{font-size:12px}.side-heading h1{font-size:26px}.storage-note{margin-bottom:0}}#underground-root .logo-heerlen{width:68px;height:auto;display:block}@media (width<=1100px){#underground-root .logo-heerlen{width:58px}}@media (width<=700px){#underground-root .logo-heerlen{width:48px}}#underground-root.demo-embedded .proposal-link{display:none}#underground-root.demo-embedded .workspace{height:calc(100dvh - 262px)}@media (width<=700px){#underground-root.demo-embedded .workspace{height:auto}}