.house-page{background:var(--surface-3);color:var(--ink)}.house-shell{max-width:1480px;margin:auto;padding:74px 28px 100px}.house-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:70px;align-items:end;margin:0 auto 40px;max-width:1240px}.house-hero h1{margin:10px 0 0;font-size:clamp(46px,6vw,76px);font-weight:540;line-height:.98;letter-spacing:-.065em}.house-hero h1 em{color:var(--coral);font-style:normal}.house-hero>p{margin:0;color:var(--muted);font-size:16px;line-height:1.7}.house-auth{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;max-width:900px;margin:70px auto;padding:25px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow)}.house-auth>span{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:var(--yellow);font-size:25px}.house-auth b,.house-auth small{display:block}.house-auth b{font-size:19px}.house-auth small{margin-top:4px;color:var(--muted)}.house-app{display:grid;grid-template-columns:260px minmax(580px,1fr) 270px;min-height:780px;border:1px solid var(--line);border-radius:28px;background:var(--surface);box-shadow:0 25px 90px color-mix(in srgb,var(--ink) 12%,transparent);overflow:hidden}.house-sidebar,.room-inspector{padding:24px;background:var(--surface-2)}.house-sidebar{border-right:1px solid var(--line)}.room-inspector{border-left:1px solid var(--line)}.collection-head,.palette-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.collection-head small,.collection-head b{display:block}.collection-head small,.palette-head small{font-size:9px;font-weight:900;letter-spacing:.14em;color:var(--muted)}.collection-head b{font-size:18px}.collection-head button{border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);padding:8px 10px;font-weight:800}.house-list{display:grid;gap:7px;margin:15px 0 34px;max-height:230px;overflow:auto}.house-list button{display:grid;grid-template-columns:1fr auto;gap:3px 10px;text-align:left;padding:12px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--ink);cursor:pointer}.house-list button.active{border-color:var(--coral);background:var(--surface)}.house-list b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.house-list small{grid-column:1/-1;color:var(--muted)}.palette-head{align-items:end}.palette-head span{font-size:9px;color:var(--coral)}.room-palette{display:grid;gap:8px;margin-top:12px}.palette-room{display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:center;padding:9px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:grab;user-select:none}.palette-room:active{cursor:grabbing}.palette-room i{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--room-color);font-style:normal}.palette-room b{font-size:12px}.palette-room small{display:block;color:var(--muted);font-size:9px}.concept-note{margin-top:24px;padding:15px;border-radius:14px;background:var(--butter);color:#3b2a24}.concept-note b{font-size:12px}.concept-note p{margin:5px 0 0;font-size:10px;line-height:1.5}.house-main{min-width:0;padding:25px}.project-form{display:grid;grid-template-columns:1fr 180px 1.2fr;gap:12px}.project-form label{display:grid;gap:5px;color:var(--muted);font-size:10px;font-weight:800}.project-form input,.project-form select,.room-inspector input,.room-inspector select{min-width:0;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--control);color:var(--ink);font:inherit}.planner-toolbar{display:flex;align-items:center;gap:7px;margin:19px 0 10px}.planner-toolbar button{border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);padding:8px 11px;font-weight:750}.planner-toolbar output{min-width:46px;text-align:center;color:var(--muted);font-size:11px}.toolbar-gap{flex:1}.canvas-scroll{max-width:100%;overflow:auto;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--surface-2) 75%,#fff)}.plan-canvas{position:relative;width:960px;height:640px;overflow:hidden;transform-origin:top left;background-color:#f8f0df;background-image:linear-gradient(#d5c7ad55 1px,transparent 1px),linear-gradient(90deg,#d5c7ad55 1px,transparent 1px);background-size:24px 24px}.plan-canvas.has-plan{background-size:cover;background-position:center;background-repeat:no-repeat}.canvas-empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:#7d725e;pointer-events:none}.canvas-empty b{font-size:24px}.canvas-empty span{font-size:13px}.plan-canvas.has-rooms .canvas-empty{display:none}.room-block{position:absolute;display:flex;flex-direction:column;justify-content:space-between;min-width:90px;min-height:80px;padding:13px;border:2px solid color-mix(in srgb,var(--ink) 55%,transparent);border-radius:9px;background:color-mix(in srgb,var(--room-color) 85%,transparent);box-shadow:inset 0 0 0 4px color-mix(in srgb,#fff 50%,transparent),0 8px 20px #4a38241f;cursor:move;touch-action:none;user-select:none}.room-block.selected{border-color:var(--coral);box-shadow:inset 0 0 0 4px #fff8,0 0 0 3px color-mix(in srgb,var(--coral) 28%,transparent)}.room-block b{font-size:15px;line-height:1.15}.room-block small{font-size:10px;color:#554d45}.room-block .design-state{align-self:flex-start;padding:4px 6px;border-radius:99px;background:#fff9;font-size:9px;font-weight:850}.resize-handle{position:absolute;right:1px;bottom:1px;width:24px;height:24px;cursor:nwse-resize}.resize-handle:after{content:"";position:absolute;right:5px;bottom:5px;width:9px;height:9px;border-right:2px solid #594c40;border-bottom:2px solid #594c40}.ai-planner{display:grid;gap:12px;margin-top:13px;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2)}.ai-planner>div{display:flex;gap:11px}.ai-planner b,.ai-planner small{display:block}.ai-planner small{margin-top:2px;color:var(--muted);font-size:10px}.ai-gem{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;background:linear-gradient(145deg,var(--coral),#ffbd44);color:#fff}.ai-planner form{display:grid;grid-template-columns:1fr auto;gap:8px}.ai-planner textarea{min-height:62px;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:11px;background:var(--control);color:var(--ink);font:inherit}.ai-planner button{border:0;border-radius:10px;padding:0 18px;background:var(--cocoa);color:#fff;font-weight:850}.ai-planner button[aria-busy=true]{opacity:.65}.house-actions{display:flex;align-items:center;gap:9px;margin-top:15px}.house-actions p{flex:1;margin:0;color:var(--muted);font-size:11px}.house-actions button{min-height:42px;border-radius:10px}.danger{border:1px solid #c95b65;background:transparent;color:#b33d4c;padding:10px 15px;font-weight:800}.room-inspector{position:relative}.inspector-empty{display:grid;place-items:center;text-align:center;min-height:350px;color:var(--muted)}.inspector-empty>span{font-size:55px;color:var(--coral)}.inspector-empty b{font-size:17px;color:var(--ink)}.inspector-empty p{font-size:11px}.inspector-card{display:grid;gap:16px}.inspector-card h2{margin:0;font-size:25px}.inspector-card label{display:grid;gap:6px;color:var(--muted);font-size:10px;font-weight:850}.inspector-size{display:grid;grid-template-columns:1fr 1fr;gap:8px}.room-preview{aspect-ratio:4/3;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden;display:grid;place-items:center}.room-preview img{width:100%;height:100%;object-fit:cover}.room-preview span{padding:20px;text-align:center;color:var(--muted);font-size:11px}.inspector-card a,.inspector-card button{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;font-weight:850;text-decoration:none}.inspector-design{background:var(--coral);color:#fff}.inspector-open{border:1px solid var(--line);color:var(--ink)}.inspector-remove{border:0;background:transparent;color:#b33d4c}.unsaved-dot{color:var(--coral);font-weight:900}
@media(max-width:1120px){.house-app{grid-template-columns:220px minmax(580px,1fr)}.room-inspector{grid-column:1/-1;border-top:1px solid var(--line);border-left:0}.inspector-empty{min-height:130px}.inspector-card{grid-template-columns:1fr 1fr 1fr;align-items:end}.inspector-card h2,.room-preview{grid-row:span 2}}
@media(max-width:800px){.house-shell{padding:50px 12px 80px}.house-hero{grid-template-columns:1fr;gap:18px;text-align:center}.house-hero h1{font-size:45px}.house-hero>p{font-size:14px}.house-auth{grid-template-columns:auto 1fr}.house-auth .primary{grid-column:1/-1}.house-app{display:block;border-radius:20px;overflow:visible}.house-sidebar{border-right:0;border-bottom:1px solid var(--line);padding:18px}.house-list{display:flex;max-height:none;overflow-x:auto}.house-list button{flex:0 0 180px}.room-palette{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}.palette-room{flex:0 0 170px;scroll-snap-align:start}.concept-note{display:none}.house-main{padding:17px}.project-form{grid-template-columns:1fr 1fr}.project-brief{grid-column:1/-1}.canvas-scroll{height:min(66vh,600px);overscroll-behavior:contain}.ai-planner form{grid-template-columns:1fr}.ai-planner button{min-height:46px}.room-inspector{border-left:0;border-top:1px solid var(--line)}.inspector-card{grid-template-columns:1fr 1fr}.room-preview{grid-column:1/-1;grid-row:auto}.house-actions{flex-wrap:wrap}.house-actions p{flex-basis:100%}}
@media(max-width:480px){.project-form{grid-template-columns:1fr}.project-brief{grid-column:auto}.planner-toolbar #clearPlan{display:none}.house-actions button{flex:1}.inspector-card{grid-template-columns:1fr}.house-hero h1{font-size:39px}.canvas-empty b{font-size:20px}}

/* A completed room becomes a visual tile in the floor plan itself. */
.room-block.has-design{isolation:isolate;overflow:hidden;background:#30231f;color:#fff;border-color:#fff9;text-shadow:0 1px 8px #000}.room-design-image{position:absolute;z-index:0;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none;user-select:none}.room-block.has-design:before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(180deg,rgba(25,17,14,.62) 0,rgba(25,17,14,.1) 46%,rgba(25,17,14,.72) 100%);pointer-events:none}.room-block.has-design>b,.room-block.has-design>small,.room-block.has-design>.design-state{position:relative;z-index:2}.room-block.has-design>.resize-handle{z-index:3}.room-block.has-design small{color:#fff}.room-block.has-design .design-state{background:rgba(255,255,255,.9);color:#35251f;text-shadow:none}.room-block.has-design .resize-handle:after{border-color:#fff}.room-block.has-design.selected{box-shadow:inset 0 0 0 3px #fff9,0 0 0 3px color-mix(in srgb,var(--coral) 45%,transparent)}
@media(max-width:1120px){.inspector-card h2{grid-row:auto}}

/* Authenticated design previews: floor-plan tiles, collection gallery and inspector. */
.canvas-scroll{position:relative}.plan-upload-status:not([hidden]){position:sticky;z-index:5;top:0;display:flex;align-items:center;justify-content:center;gap:12px;width:100%;height:52px;margin-bottom:-52px;background:var(--surface);color:var(--ink);font-size:13px;font-weight:800;box-shadow:0 8px 24px #0002}.plan-upload-spinner{width:24px;height:24px;border:3px solid color-mix(in srgb,var(--coral) 25%,transparent);border-top-color:var(--coral);border-radius:50%;animation:troxinhDiamondSpin .8s linear infinite}@media(prefers-reduced-motion:reduce){.plan-upload-spinner{animation:none}}
.room-image-loading{position:absolute;z-index:2;left:50%;top:50%;width:22px;height:22px;margin:-11px;border:3px solid #fff7;border-top-color:#fff;border-radius:50%;animation:troxinhDiamondSpin .8s linear infinite}.room-block.image-ready .room-image-loading,.room-block.image-failed .room-image-loading{display:none}.collection-designs{margin-top:16px;padding:18px;border:1px solid var(--line);border-radius:17px;background:var(--surface-2)}.collection-designs[hidden]{display:none}.collection-designs-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:13px}.collection-designs-head small{font-size:9px;font-weight:900;letter-spacing:.14em;color:var(--muted)}.collection-designs-head h2{margin:3px 0 0;font-size:22px}.collection-designs-head>b{color:var(--coral);font-size:11px}.collection-design-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.collection-design-grid article{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.collection-design-image{position:relative;grid-column:1/-1;aspect-ratio:16/10;overflow:hidden;border-radius:9px;background:color-mix(in srgb,var(--surface-3) 86%,var(--ink))}.collection-design-image img,.inspector-design-preview img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s}.collection-design-image.image-ready img,.inspector-design-preview.image-ready img{opacity:1}.collection-design-image .troxinh-spinner,.inspector-design-preview .troxinh-spinner{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.collection-design-image.image-ready .troxinh-spinner,.inspector-design-preview.image-ready .troxinh-spinner,.collection-design-image.image-failed .troxinh-spinner,.inspector-design-preview.image-failed .troxinh-spinner{display:none}.collection-design-image.image-failed:after,.inspector-design-preview.image-failed:after{content:"Chưa tải được ảnh";position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:10px}.collection-design-grid article>div:nth-child(2){grid-column:1/-1;min-width:0}.collection-design-grid article b,.collection-design-grid article small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.collection-design-grid article b{font-size:12px}.collection-design-grid article small{margin-top:2px;color:var(--muted);font-size:9px}.collection-design-grid button,.collection-design-grid a{display:flex;align-items:center;justify-content:center;min-height:32px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--ink);font-size:9px;font-weight:800;text-align:center;text-decoration:none}.collection-design-grid a{background:var(--cocoa);color:#fff}.collection-designs-empty{display:flex;align-items:center;justify-content:space-between;gap:16px}.collection-designs-empty b{font-size:13px}.collection-designs-empty span{color:var(--muted);font-size:10px}.inspector-design-preview{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:13px;background:color-mix(in srgb,var(--surface-3) 86%,var(--ink));box-shadow:0 12px 28px color-mix(in srgb,var(--ink) 12%,transparent)}
.inspector-collection>small{color:var(--coral);font-size:9px;font-weight:900;letter-spacing:.14em}.inspector-collection h2{margin:6px 0 2px;font-size:25px}.inspector-collection>p{margin:0 0 15px;color:var(--muted);font-size:10px}.inspector-collection>div{display:grid;gap:9px}.inspector-collection button{display:grid;grid-template-columns:68px minmax(0,1fr);gap:2px 9px;align-items:center;padding:7px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--ink);text-align:left;cursor:pointer}.inspector-collection button:hover{border-color:var(--coral)}.inspector-collection-image{position:relative;grid-row:1/3;width:68px;aspect-ratio:4/3;overflow:hidden;border-radius:7px;background:var(--surface-3)}.inspector-collection-image img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s}.inspector-collection-image.image-ready img{opacity:1}.inspector-collection-image .troxinh-spinner{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.inspector-collection-image.image-ready .troxinh-spinner,.inspector-collection-image.image-failed .troxinh-spinner{display:none}.inspector-collection button>b,.inspector-collection button>small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inspector-collection button>b{font-size:11px}.inspector-collection button>small{color:var(--muted);font-size:8px}
@media(max-width:1120px){.collection-design-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.inspector-design-preview{grid-column:1/-1;max-height:320px}.inspector-design-preview img{object-position:center}.inspector-collection>div{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.collection-design-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}.collection-design-grid article{flex:0 0:min(270px,82vw);scroll-snap-align:start}.collection-designs-head{align-items:start;flex-direction:column;gap:5px}.collection-designs-empty{align-items:start;flex-direction:column}}
@media(max-width:480px){.collection-designs{padding:14px}.collection-design-grid article{flex-basis:78vw}}