@layer base;@layer route{.journey-shell{width:min(1540px,100%);margin:0 auto;padding:0 clamp(18px,4vw,64px)}.journey-grid{grid-template-columns:minmax(280px,.64fr) minmax(520px,1.36fr);align-items:start;gap:clamp(36px,6vw,104px);display:grid}.chapter-column{min-width:0}.chapter{opacity:.58;flex-direction:column;justify-content:center;min-height:96vh;padding:82px 0;display:flex}.chapter.is-active{opacity:1}.chapter-index{color:var(--accent);letter-spacing:.16em;align-items:center;gap:12px;margin-bottom:30px;font-size:.76rem;font-weight:800;display:flex}.chapter-index i{background:currentColor;width:46px;height:1px}.chapter-label,.section-kicker{color:var(--accent);letter-spacing:.17em;text-transform:uppercase;margin:0 0 15px;font-size:.75rem;font-weight:800}.chapter h1,.chapter h2{max-width:680px;font-family:var(--font-editorial);font-kerning:normal;font-synthesis:none;font-variant-ligatures:common-ligatures;letter-spacing:-.012em;text-wrap:balance;margin:0;font-size:clamp(3rem,5.7vw,6.4rem);font-weight:500;line-height:1.02}.chapter h2{font-size:clamp(2.75rem,4.7vw,5.2rem)}.chapter-body{max-width:520px;color:var(--muted);margin:28px 0 0;font-size:clamp(1rem,1.35vw,1.2rem);line-height:1.65}.chapter-actions{flex-wrap:wrap;gap:10px;margin-top:34px;display:flex}.primary-action,.secondary-action{border:1px solid var(--accent);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:9px;min-height:48px;padding:0 18px;font-size:.84rem;font-weight:760;display:inline-flex}.primary-action{color:var(--ink-dark);background:var(--accent)}.secondary-action{color:var(--ink);background:0 0}.primary-action:hover,.secondary-action:hover{transform:translateY(-2px)}.model-stage{border:1px solid var(--line);isolation:isolate;background:#1d272f;border-radius:22px;height:calc(100vh - 106px);min-height:480px;margin-top:18px;position:sticky;top:86px;overflow:hidden}.model-stage:after{z-index:1;border-radius:inherit;pointer-events:none;content:"";border:10px solid #f2efe614;position:absolute;inset:0}.model-stage.is-focus{z-index:100;background:#1d272f;border:0;border-radius:0;width:100vw;height:100dvh;min-height:0;margin:0;position:fixed;inset:0}.stage-surface,.bookstore-canvas-host,.scene-loader{width:100%;height:100%;min-height:0;position:absolute;inset:0}.scene-fallback,.scene-route-state{color:var(--ink);text-align:center;background:radial-gradient(circle at 50% 38%,#5ddce029,#0000 32%),linear-gradient(145deg,#26343d,#1d272f 68%);align-content:center;place-items:center;gap:16px;display:grid}.scene-fallback{z-index:1;padding:28px;position:absolute;inset:0}.scene-route-state{min-height:100vh;padding:32px}.scene-fallback>span,.scene-route-state>span{border:2px solid #f2efe62e;border-top-color:var(--teal);border-radius:50%;width:72px;height:72px}.scene-fallback.is-loading>span,.scene-route-state>span{animation:.9s linear infinite scene-loading-spin}.scene-fallback p,.scene-route-state p{max-width:34ch;color:var(--muted);letter-spacing:.04em;margin:0;font-size:.82rem;font-weight:720}.scene-fallback button,.scene-route-state button{border:1px solid var(--teal);min-height:44px;color:var(--ink-dark);background:var(--teal);cursor:pointer;border-radius:999px;padding:0 18px;font-weight:780}@keyframes scene-loading-spin{to{transform:rotate(1turn)}}.bookstore-canvas-host canvas,.bookstore-webgl{touch-action:pan-y;outline:0;display:block;width:100%!important;height:100%!important}.is-focus .bookstore-canvas-host canvas,.is-focus .bookstore-webgl{touch-action:none}.stage-topline{z-index:5;pointer-events:none;justify-content:space-between;align-items:center;display:flex;position:absolute;top:18px;left:20px;right:18px}.stage-topline>span{color:#f4f1e9db;letter-spacing:.15em;text-transform:uppercase;background:#1d272fd6;border:1px solid #f4f1e929;border-radius:999px;padding:8px 11px;font-size:.67rem;font-weight:760}.stage-icon-button{width:44px;height:44px;color:var(--ink);cursor:pointer;pointer-events:auto;background:#1d272fdb;border:1px solid #f4f1e938;border-radius:50%;place-items:center;display:grid}.stage-icon-button:hover{color:var(--ink-dark);background:var(--accent)}.stage-topline-actions{pointer-events:auto;gap:8px;display:flex}.stage-icon-button[aria-pressed=true]{color:var(--ink-dark);border-color:var(--teal);background:var(--teal)}.floor-plan-panel{z-index:6;width:min(350px,100% - 110px);max-height:calc(100% - 166px);color:var(--ink);background:#1d272ff5;border:1px solid #f2efe62e;border-radius:16px;padding:18px;position:absolute;top:74px;left:20px;overflow:auto;box-shadow:0 18px 60px #00000047}.floor-plan-panel header{justify-content:space-between;align-items:start;gap:16px;margin-bottom:15px;display:flex}.floor-plan-panel header p,.floor-plan-panel header h2{margin:0}.floor-plan-panel header p{color:var(--muted);letter-spacing:.13em;text-transform:uppercase;margin-bottom:4px;font-size:.66rem;font-weight:780}.floor-plan-panel header h2{font-size:1.28rem;line-height:1.1}.floor-plan-close{border:1px solid var(--line);width:44px;height:44px;color:var(--ink);background:var(--surface);cursor:pointer;border-radius:50%;flex:none;place-items:center;display:grid}.floor-plan-map{--floor-polygon:polygon(0 0, 100% 0, 100% 78%, 88% 100%, 0 100%);--solid-wall-stop:78%;--floor-aspect:8.5 / 8;isolation:isolate;width:calc(100% - 20px);height:auto;aspect-ratio:var(--floor-aspect);border-radius:10px;margin:0 10px 18px;position:relative}.floor-plan-instructions{color:var(--muted);margin:-5px 10px 12px;font-size:.72rem;line-height:1.45}.floor-plan-level-tabs{border:1px solid var(--line);background:var(--surface);border-radius:11px;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;margin:0 10px 14px;padding:4px;display:grid}.floor-plan-level-tabs button{min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;padding:0 10px;font-size:.72rem;font-weight:780}.floor-plan-level-tabs button[aria-pressed=true]{color:var(--ink-dark);border-color:var(--teal);background:var(--teal)}.floor-plan-level-tabs button[data-floor=second][aria-pressed=true]{border-color:var(--violet);background:var(--violet)}.floor-plan-level-tabs button[data-floor=third][aria-pressed=true]{border-color:var(--coral);background:var(--coral)}.floor-plan-floor-name{z-index:4;color:var(--ink-dark);background:var(--teal);letter-spacing:.08em;pointer-events:none;text-transform:uppercase;border-radius:999px;margin:0;padding:4px 7px;font-size:.56rem;font-weight:850;line-height:1;position:absolute;top:10px;left:12px}.floor-plan-map:before,.floor-plan-map:after{content:"";position:absolute}.floor-plan-map:before{z-index:0;clip-path:var(--floor-polygon);background:#f2efe680;inset:0}.floor-plan-map:after{z-index:1;background:var(--surface-raised);clip-path:var(--floor-polygon);inset:4px}.floor-plan-map.is-second-floor:before{background:#9878ff9e}.floor-plan-map.is-second-floor:after{background:linear-gradient(#9878ff17, #9878ff17), var(--surface-raised)}.floor-plan-map.is-second-floor .floor-plan-floor-name{background:var(--violet)}.floor-plan-map.is-third-floor:before{background:#ff9d829e}.floor-plan-map.is-third-floor:after{background:linear-gradient(#ff9d8214, #ff9d8214), var(--surface-raised)}.floor-plan-map.is-third-floor .floor-plan-floor-name{background:var(--coral)}.floor-plan-second-region{z-index:2;pointer-events:none;background:#9878ff21;border:1px solid #b69cff7a;border-radius:4px;position:absolute}.floor-plan-third-layout{z-index:2;clip-path:var(--floor-polygon);pointer-events:none;position:absolute;inset:4px;overflow:hidden}.floor-plan-third-area{--third-floor-area-polygon:polygon(0 0, 100% 0, 100% 100%, 0 100%);clip-path:var(--third-floor-area-polygon);background:repeating-linear-gradient(0deg,#60382233 0 1px,#0000 1px 13px),linear-gradient(135deg,#c48b5652,#8f5b3438);position:absolute;inset:0}.floor-plan-third-area.is-corridor{background:#5ddce02b}.floor-plan-third-area-label{z-index:2;color:var(--ink);letter-spacing:.06em;text-align:center;text-transform:uppercase;font-size:.59rem;font-weight:820;line-height:1.15;position:absolute;transform:translate(-50%,-50%)}.floor-plan-third-area-label.is-corridor{white-space:nowrap;writing-mode:vertical-rl;transform:translate(-50%,-50%)rotate(180deg)}.floor-plan-third-corridor-arrow{z-index:3;color:var(--teal);text-shadow:0 2px 7px #1d272f66;font-size:1.5rem;font-weight:900;line-height:1;position:absolute;bottom:12%;transform:translate(-50%)}.floor-plan-third-divider{z-index:3;background:#d8f3efb8;position:absolute;box-shadow:0 0 0 1px #1d272f38,0 0 8px #5ddce02e}.floor-plan-third-divider.is-corridor-divider{width:2px;top:0;bottom:0;transform:translate(-1px)}.floor-plan-third-divider.is-room-divider{height:2px;transform:translateY(-1px)}.floor-plan-building-outline{z-index:0;clip-path:var(--building-polygon);pointer-events:none;background:#f2efe614;position:absolute;inset:0}.floor-plan-edge-label{z-index:3;color:var(--muted);letter-spacing:.11em;text-transform:uppercase;font-size:.66rem;font-weight:780;position:absolute}.floor-plan-edge-label.is-back,.floor-plan-edge-label.is-front{left:50%;transform:translate(-50%)}.floor-plan-edge-label.is-back{top:7px}.floor-plan-edge-label.is-front{bottom:7px}.floor-plan-edge-label.is-left,.floor-plan-edge-label.is-right{writing-mode:vertical-rl;top:50%}.floor-plan-edge-label.is-left{left:7px;transform:translateY(-50%)rotate(180deg)}.floor-plan-edge-label.is-right{right:7px;transform:translateY(-50%)}.floor-plan-edge-label.is-angled{max-width:82px;color:var(--violet);text-align:right;transform-origin:100%;font-size:.52rem;line-height:1.2;bottom:18%;right:4px;transform:rotate(-34deg)}.floor-plan-wall,.floor-plan-door,.floor-plan-stairs,.floor-plan-zone{letter-spacing:.04em;text-transform:uppercase;z-index:3;border-radius:5px;place-items:center;font-size:.58rem;font-weight:800;display:grid;position:absolute}.floor-plan-wall{height:calc(var(--solid-wall-stop) - 30px);width:18px;color:var(--ink-dark);background:var(--surface-light);writing-mode:vertical-rl;top:22px}.floor-plan-wall.is-left{left:2px;transform:rotate(180deg)}.floor-plan-wall.is-right{right:2px}.floor-plan-door{width:58px;height:18px;color:var(--ink-dark);background:var(--teal);bottom:4px;transform:translate(-50%)}.floor-plan-stairs{appearance:none;min-width:0;min-height:42px;color:var(--ink-dark);background:repeating-linear-gradient(90deg, #f2efe657 0 2px, transparent 2px 10px), var(--violet);cursor:grab;font:inherit;text-align:center;touch-action:none;-webkit-user-select:none;user-select:none;border:1px solid #f2efe64d;flex-direction:column;justify-content:center;align-items:center;padding:5px;line-height:1.1;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;overflow:hidden;box-shadow:inset 0 0 0 2px #1d272f29}.floor-plan-stairs.is-left,.floor-plan-stairs.is-right{right:auto}.floor-plan-stairs>span{white-space:nowrap;position:absolute;top:5px;left:50%;transform:translate(-50%)}.floor-plan-stairs small{color:var(--ink);background:var(--ink-dark);letter-spacing:.04em;white-space:nowrap;border-radius:999px;padding:3px 4px;font-size:.44rem;position:absolute;bottom:3px;transform:translate(-50%)}.floor-plan-stairs.is-selected{z-index:5;border-color:var(--teal);box-shadow:inset 0 0 0 2px #1d272f29,0 0 0 3px #5ddce061,0 8px 20px #1d272f57}.floor-plan-stairs.is-dragging{z-index:6;cursor:grabbing;transition:none;box-shadow:inset 0 0 0 2px #1d272f29,0 0 0 3px #5ddce061,0 10px 24px #1d272f66}.floor-plan-stairs:focus-visible{z-index:5;outline:3px solid var(--teal);outline-offset:3px}.floor-plan-zone{max-width:calc(100% - 12px);max-height:calc(100% - 12px);color:var(--ink-dark);background:var(--surface-light);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;transform:translate(-50%, -50%) rotate(var(--zone-angle,0deg));border:1px solid #1d272f52;padding:5px 8px;transition:box-shadow .15s,transform .15s;box-shadow:0 4px 12px #1d272f33}.floor-plan-zone:after{content:"";width:max(100%,44px);height:max(100%,44px);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.floor-plan-zone small{min-width:24px;height:17px;color:var(--ink);background:var(--ink-dark);letter-spacing:.05em;pointer-events:none;border:1px solid #f2efe69e;border-radius:999px;place-items:center;padding:0 5px;font-size:.48rem;font-weight:850;line-height:1;display:grid;position:absolute;top:-9px;right:-7px;box-shadow:0 2px 7px #1d272f4d}.floor-plan-map.is-second-floor .floor-plan-zone small{color:var(--ink-dark);border-color:var(--violet);background:var(--violet)}.floor-plan-zone.is-selected{z-index:5;border-color:var(--teal);box-shadow:0 0 0 3px #5ddce057,0 9px 24px #1d272f57}.floor-plan-zone.is-wall-fixture{cursor:default;transform:translate(-50%, -50%) rotate(var(--zone-angle,0deg));border-radius:4px;padding:3px 7px;font-size:.52rem;line-height:1}.floor-plan-zone.is-wall-fixture:before{content:"";position:absolute;inset:-10px 0}.floor-plan-zone.is-wall-fixture.is-dragging{cursor:default;transform:translate(-50%, -50%) rotate(var(--zone-angle,0deg))}.floor-plan-zone.is-window{background:var(--coral)}.floor-plan-zone.is-table{background:var(--yellow)}.floor-plan-zone.is-shelves{background:var(--violet)}.floor-plan-zone.is-sofa{background:var(--pink)}.floor-plan-zone.is-checkout{background:var(--green)}.floor-plan-zone.is-dragging{z-index:5;cursor:grabbing;transform:translate(-50%, -50%) rotate(var(--zone-angle,0deg)) scale(1.04);transition:none;box-shadow:0 9px 24px #1d272f5c}.floor-plan-zone:focus-visible{z-index:5;outline:3px solid var(--teal);outline-offset:2px}.floor-plan-controls{gap:12px;display:grid}.floor-plan-object-editor{border:1px solid var(--line);background:var(--surface);border-radius:11px;margin-top:2px;padding:12px}.floor-plan-object-header,.floor-plan-object-editor-header,.floor-plan-object-editor>header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:11px;display:flex}.floor-plan-object-title,.floor-plan-object-editor-title{min-width:0;color:var(--ink);letter-spacing:0;text-transform:none;margin:0;font-size:.82rem;font-weight:790;line-height:1.2}.floor-plan-object-badge,.floor-plan-object-editor-badge,.floor-plan-object-floor-badge{color:var(--ink-dark);background:var(--yellow);letter-spacing:.06em;text-transform:uppercase;border:1px solid #f2efe64d;border-radius:999px;flex:none;padding:4px 7px;font-size:.54rem;font-weight:850;line-height:1}.floor-plan-object-dimensions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.floor-plan-object-dimensions.is-single{grid-template-columns:minmax(0,1fr)}.floor-plan-stair-stepper{border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;min-inline-size:0;margin-top:10px;padding:0;display:grid}.floor-plan-stair-stepper button{min-height:44px;color:var(--ink);cursor:pointer;font:inherit;background:0 0;border:1px solid #f2efe675;border-radius:9px;font-size:.7rem;font-weight:800}.floor-plan-stair-stepper button:not(:disabled):hover,.floor-plan-stair-stepper button:not(:disabled):focus-visible{color:var(--ink-dark);border-color:var(--teal);background:var(--teal)}.floor-plan-stair-stepper button:disabled{cursor:not-allowed;opacity:.38}.floor-plan-fixed-dimension{border:1px solid var(--line);min-height:44px;color:var(--muted);background:var(--surface-raised);border-radius:8px;justify-content:space-between;align-items:center;gap:10px;padding:7px 9px;font-size:.64rem;font-weight:730;display:flex}.floor-plan-fixed-dimension strong,.floor-plan-fixed-dimension output{color:var(--ink);font-weight:790}.floor-plan-wall-lengths{border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-inline-size:0;margin:0;padding:0;display:grid}.floor-plan-range>span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;gap:16px;margin-bottom:7px;font-size:.68rem;font-weight:760;display:flex}.floor-plan-range output{color:var(--ink);letter-spacing:0}.floor-plan-range input{width:100%;min-height:44px;accent-color:var(--teal);cursor:ew-resize;margin:0}.floor-plan-control{border:0;min-inline-size:0;margin:0;padding:0}.floor-plan-control>legend{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;padding:0;font-size:.68rem;font-weight:760;display:block}.floor-plan-control>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;display:grid}.floor-plan-control button,.floor-plan-actions button{min-height:44px;color:var(--ink);background:var(--surface);cursor:pointer;border:1px solid #f2efe675;border-radius:9px;font-size:.72rem;font-weight:760}.floor-plan-control button[aria-pressed=true]{color:var(--ink-dark);border-color:var(--teal);background:var(--teal)}.floor-plan-summary{border:1px solid var(--line);background:var(--surface);border-radius:10px;gap:6px;margin:16px 0;padding:12px;display:grid}.floor-plan-summary div{justify-content:space-between;gap:18px;display:flex}.floor-plan-summary dt,.floor-plan-summary dd{text-transform:capitalize;margin:0;font-size:.7rem}.floor-plan-summary dt{color:var(--muted)}.floor-plan-summary dd{text-align:right;font-weight:760}.floor-plan-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.floor-plan-actions button{justify-content:center;align-items:center;gap:7px;padding:0 10px;display:inline-flex}.floor-plan-actions button:last-child{color:var(--ink-dark);border-color:var(--yellow);background:var(--yellow)}.is-floor-plan-open .chapter-rail,.is-floor-plan-open .stage-meta,.is-floor-plan-open .focus-navigation{opacity:0;pointer-events:none}.chapter-rail{z-index:3;gap:6px;display:grid;position:absolute;top:50%;right:18px;transform:translateY(-50%)}.chapter-rail button{color:#f4f1e994;cursor:pointer;background:#1d272fc7;border:1px solid #0000;border-radius:999px;flex:none;width:40px;height:32px;font-size:.65rem;font-weight:800;transition:width .42s cubic-bezier(.22,1,.36,1),color .26s,background-color .26s,border-color .26s,box-shadow .42s,transform .42s cubic-bezier(.22,1,.36,1)}.chapter-rail button[aria-current=step]{width:58px;color:var(--ink-dark);border-color:var(--accent);background:var(--accent);transform:scale(1.06);box-shadow:0 8px 24px #f2efe633}.stage-meta{z-index:3;background:#1d272fe0;border:1px solid #f4f1e929;border-radius:14px;align-items:start;gap:13px;max-width:min(480px,100% - 100px);padding:14px 16px;display:flex;position:absolute;bottom:18px;left:20px}@keyframes floor-meta-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.stage-meta>span{color:var(--accent);letter-spacing:.12em;font-size:.72rem;font-weight:800}.stage-meta>span,.stage-meta>div{animation:.44s cubic-bezier(.22,1,.36,1) both floor-meta-enter}.stage-meta>div{animation-delay:45ms}.stage-meta p{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin:0 0 4px;font-size:.67rem;font-weight:760}.stage-meta strong{font-size:clamp(.88rem,1.35vw,1.12rem);line-height:1.22;display:block}.focus-navigation{z-index:4;gap:8px;display:flex;position:absolute;bottom:22px;right:24px}.focus-navigation button{cursor:pointer;background:#1d272fe6;border:1px solid #f4f1e933;border-radius:999px;align-items:center;gap:8px;min-height:44px;padding:0 15px;font-size:.76rem;font-weight:760;display:inline-flex}.focus-navigation button:not(:disabled):hover{color:var(--ink-dark);background:var(--teal)}}@layer responsive;