.room3d-entry{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;margin:20px 0;background:var(--soft);border:1px solid var(--line);border-radius:16px}.room3d-entry strong{font-size:20px}.room3d-entry p{margin:6px 0 0;color:var(--muted)}
dialog.room3d{box-sizing:border-box;width:min(1280px,96vw);max-width:1280px;height:min(880px,94dvh);max-height:94dvh;padding:0;border:1px solid var(--line);border-radius:20px;background:var(--surface);color:var(--ink);overflow:hidden}dialog.room3d::backdrop{background:#101712ad}.r3-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line)}.r3-head h2{font-size:24px;margin:0}.r3-head small{color:var(--muted)}.r3-close{min-width:44px;min-height:44px}.r3-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;height:calc(100% - 89px)}.r3-main{min-width:0;display:flex;flex-direction:column;background:var(--soft)}.r3-tabs,.r3-tools{display:flex;gap:8px;padding:12px 16px;flex-wrap:wrap}.r3-tabs button[aria-pressed=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.r3-tabs button,.r3-tools button{min-height:44px}.r3-stage{position:relative;flex:1;min-height:280px;overflow:hidden}.r3-stage canvas{display:block;width:100%;height:100%;touch-action:none;outline-offset:-4px}.r3-scene-label{position:absolute;left:18px;top:12px;pointer-events:none;color:#494e49;background:#ffffffdf;padding:8px 12px;border-radius:8px;font-size:12px}.r3-instruction{margin:0;padding:0 16px 14px;color:var(--muted);font-size:12px}.r3-side{padding:20px;overflow-y:auto;overscroll-behavior:contain;border-left:1px solid var(--line)}.r3-side h3{margin:0 0 8px;font-size:18px}.r3-side>p,.r3-note{font-size:12px;color:var(--muted);line-height:1.7}.r3-field{border-bottom:1px solid var(--line);padding:15px 0}.r3-field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}.r3-field select{width:100%;min-height:44px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px}.r3-color{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:12px;color:var(--muted)}.r3-color input{padding:0;width:36px;height:32px;border:1px solid var(--line);background:transparent;cursor:pointer}.r3-side .r3-note{margin-top:14px}.r3-status{font-size:12px;padding:0 16px;min-height:18px;color:var(--muted)}.r3-error{padding:40px;line-height:1.8}.r3-side button{min-height:44px;margin-top:12px;width:100%}.r3-light{display:flex;align-items:center;gap:8px;padding:0 16px 8px;font-size:13px}.r3-light select{padding:8px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;min-height:44px}
@media(max-width:760px){.room3d-entry{align-items:flex-start;padding:16px;flex-direction:column}.room3d-entry button{width:100%}dialog.room3d{width:100%;height:100dvh;max-height:100dvh;max-width:100%;border-radius:0}.r3-head{padding:12px 16px}.r3-head h2{font-size:20px}.r3-layout{display:block;overflow-y:auto;height:calc(100% - 77px)}.r3-main{height:60dvh;min-height:450px}.r3-side{overflow:visible;border-left:0;border-top:1px solid var(--line);padding:18px}.r3-tools{gap:6px;padding:8px 12px}.r3-tools button{font-size:12px;padding:8px 10px}.r3-field{display:grid;grid-template-columns:95px minmax(0,1fr);gap:8px}.r3-field label{align-self:center;margin:0}.r3-color{grid-column:2}.r3-tabs{padding:8px 12px}}
.room3d :is(select,input,button,canvas):focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.r3-loading{box-sizing:border-box;width:min(420px,92vw);padding:28px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:16px}.r3-loading::backdrop{background:#101712ad}.r3-loading h2{font-size:21px}.r3-loading p{color:var(--muted);line-height:1.7}.r3-loading button{min-height:44px;width:100%}.r3-material{display:flex;gap:10px;align-items:center;margin-top:10px;font-size:13px}.r3-material img{object-fit:cover;border-radius:6px;border:1px solid var(--line);flex:0 0 48px}.r3-material small{display:block;color:var(--muted);margin-top:3px}.r3-texture-state{display:block;color:var(--muted);font-size:11px;margin-top:8px}.r3-add{display:block;font-size:12px;margin-top:8px}.r3-stage{background:#e8e9e4}@media(max-width:760px){.r3-material,.r3-texture-state,.r3-add{grid-column:2;margin-top:0}}
header .room3d-tab .tab-label{display:inline}header .room3d-tab:not(.current){color:var(--accent);background:var(--soft);font-weight:700}.room3d-embedded{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface);height:calc(100dvh - 125px);min-height:660px;color:var(--ink)}.view-room3d{max-width:1600px}.r3-catalog{padding-bottom:22px;margin-bottom:20px;border-bottom:1px solid var(--line)}.r3-catalog label{display:block;font-size:12px;margin:10px 0 5px}.r3-catalog :is(input,select){width:100%;min-height:44px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px;box-sizing:border-box}.r3-result-count{font-size:12px;color:var(--muted)}.r3-side .r3-search-item{display:flex;align-items:center;gap:8px;text-align:left;margin:0;padding:10px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink)}.r3-search-item img{object-fit:cover;border-radius:4px;flex:0 0 40px}.r3-search-item span{min-width:0;flex:1;font-size:12px;overflow-wrap:anywhere}.r3-search-item small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.r3-search-item b{color:var(--accent);font-size:11px}.r3-pagination{display:flex;align-items:center;gap:8px;font-size:12px}.r3-pagination span{white-space:nowrap}.r3-pagination button:disabled{opacity:.4}.r3-search-item:hover{background:var(--soft)}
@media(max-width:700px){header .app-tab{min-width:40px;padding:8px 6px;gap:4px}header .app-tab .tab-label{display:none!important}header .room3d-tab .tab-label{display:inline!important;font-size:10px}header .app-tab svg{width:21px;height:21px}.room3d-embedded{height:auto;min-height:0;border-radius:12px}.room3d-embedded .r3-layout{height:auto;overflow:visible}.room3d-embedded .r3-main{height:55dvh;min-height:400px}.room3d-embedded .r3-head{padding:12px}.room3d-embedded .r3-head h2{font-size:18px}.room3d-embedded .r3-main{position:sticky;top:72px;z-index:2}.room3d-embedded .r3-side{position:relative;z-index:1}}
.initial-loading{min-height:60vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px}.initial-loading p{color:var(--muted)}
/* Five destinations: override the original four-column navigation at every breakpoint. */
header nav.app-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));width:min(620px,calc(100vw - 230px));max-width:620px;min-width:0;flex:0 1 620px;gap:4px;padding:6px;align-items:center;box-sizing:border-box}
header nav.app-tabs .app-tab{width:100%;min-width:0;min-height:48px;padding:10px 8px;gap:6px;box-sizing:border-box;font-size:13px;white-space:nowrap}
header nav.app-tabs .app-tab .tab-label{display:inline!important;margin:0;font-size:inherit}
header nav.app-tabs .app-tab svg{width:22px;height:22px;flex:0 0 22px}
main.view-room3d{box-sizing:border-box;width:calc(100% - 48px);max-width:1240px;min-width:0;margin:0 auto;padding:24px 0 40px}
#room3d-workspace{width:100%;min-width:0}
#room3d-workspace>.compact-heading{display:block;margin:0 0 20px}
#room3d-workspace>.compact-heading p{margin:8px 0 0;color:var(--muted)}
.room3d-embedded{box-sizing:border-box;display:grid;grid-template-rows:auto minmax(0,1fr);width:100%;height:clamp(540px,calc(100dvh - 144px),850px);min-height:0;max-width:100%;overflow:hidden}
.room3d-embedded .r3-head{min-width:0;gap:12px;padding:16px 20px}
.room3d-embedded .r3-head>div{min-width:0}.room3d-embedded .r3-head h2{font-size:22px}.room3d-embedded .r3-close{flex-shrink:0}
.room3d-embedded .r3-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,310px);height:100%;min-height:0;min-width:0;overflow:hidden}
.room3d-embedded .r3-main{position:static;display:flex;flex-direction:column;height:100%;min-height:0;min-width:0;overflow:hidden}
.room3d-embedded .r3-stage{flex:1 1 0;min-height:0;min-width:0;width:100%;overflow:hidden}
.room3d-embedded .r3-stage canvas{position:absolute;inset:0;width:100%;height:100%;max-width:100%;display:block}
.room3d-embedded .r3-side{box-sizing:border-box;min-width:0;min-height:0;max-height:100%;overflow-y:auto;overflow-x:hidden}
.room3d-embedded :is(select,input){max-width:100%;min-width:0;box-sizing:border-box}
.room3d-embedded .r3-tools{padding:8px 12px;gap:6px}.room3d-embedded .r3-tools button{font-size:12px;padding:8px}
.room3d-embedded .r3-tabs,.room3d-embedded .r3-tools,.room3d-embedded .r3-light,.room3d-embedded .r3-instruction,.room3d-embedded .r3-status{flex-shrink:0}
@media(min-width:701px) and (max-width:950px){header nav.app-tabs{width:calc(100vw - 190px);gap:2px;padding:5px}header nav.app-tabs .app-tab{flex-direction:column;padding:6px 2px;gap:4px;font-size:11px;min-height:56px}header nav.app-tabs .app-tab svg{width:20px;height:20px;flex-basis:20px}}
@media(max-width:760px){.room3d-embedded{display:block;height:auto;min-height:0}.room3d-embedded .r3-layout{display:flex;flex-direction:column;height:auto;overflow:visible}.room3d-embedded .r3-main{position:static;height:clamp(420px,65dvh,580px);min-height:0;flex:none}.room3d-embedded .r3-side{overflow:visible;max-height:none;width:100%;border-left:0}.room3d-embedded .r3-head{padding:14px}.room3d-embedded .r3-head h2{font-size:19px}.room3d-embedded .r3-head small{font-size:11px}}
@media(max-width:700px){header nav.app-tabs{grid-template-columns:repeat(5,minmax(0,1fr));width:calc(100% - 24px);max-width:440px;gap:2px;padding:6px;flex:none}header nav.app-tabs .app-tab{width:100%;min-width:0;min-height:56px;flex-direction:column;padding:6px 2px;gap:4px;font-size:10px}header nav.app-tabs .app-tab .tab-label{display:inline!important;font-size:10px!important}header nav.app-tabs .app-tab svg{width:21px;height:21px;flex-basis:21px}main.view-room3d{width:calc(100% - 24px);margin:0 auto;padding:16px 0 110px}}

/* In-place material search for every room surface */
.r3-target-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 14px}.r3-target-tabs button{flex:1 1 auto;min-height:40px;padding:8px 10px;font-size:13px}.r3-target-tabs button[aria-pressed="true"]{background:#246b55;color:#fff;border-color:#246b55}.r3-filter-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin:12px 0}.r3-filter-grid label{min-width:0;font-size:12px}.r3-filter-grid select{width:100%;min-width:0;max-width:100%;text-overflow:ellipsis;margin-top:4px}.r3-filter-reset{margin:8px 0;font-size:12px}.r3-field .r3-add{width:100%;margin-top:8px;min-height:40px}.r3-catalog input,.r3-catalog select{max-width:100%;box-sizing:border-box}