:root{--bg:#cfe0ea;--panel:#fffffff0;--panel-solid:#fff;--line:#dde3e7;--text:#23303a;--muted:#5d6b75;--accent:#2f7d5b;--accent-soft:#e3f1ea;--danger:#c4413a;--thumb-bg:#e9eef1;--radius:10px;--shadow:0 4px 18px #14232d2e;--side:300px;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer}#app{position:fixed;inset:0}#viewport{touch-action:none;position:absolute;inset:0}#viewport canvas{display:block}#ui{pointer-events:none;position:absolute;inset:0}#ui>*{pointer-events:auto}.sidebar{top:max(12px, env(safe-area-inset-top));width:var(--side);flex-direction:column;gap:8px;display:flex;position:absolute;bottom:12px;left:12px}#ui>.sidebar{pointer-events:none}.sidebar>*{pointer-events:auto}.hud{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);flex-shrink:0;padding:10px 14px}.hud h1{margin:0;font-size:17px}.hud-top{align-items:flex-start;gap:8px;display:flex}.hud-title{flex:1;min-width:0}.toolbar,.view-tools{align-items:center;gap:4px;display:flex}.view-tools{margin-top:6px}.view-tools:empty{display:none}.toolbar .icon-button{font-size:18px}.view-tools .tool{border:1px solid var(--line);background:var(--panel-solid);white-space:nowrap;border-radius:8px;height:32px;padding:0 10px;font-size:12px}.view-tools .tool:hover{border-color:var(--accent)}.icon-button:disabled{opacity:.35;cursor:default;background:0 0}.save-status{color:var(--accent);white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;font-size:12px;overflow:hidden}.save-status.error{color:var(--danger)}.hud .hint{color:var(--muted);margin:4px 0 0;font-size:12px;line-height:1.35}.loading{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);pointer-events:none;padding:10px 18px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.loading[hidden],.placement-bar[hidden]{display:none}.catalog{background:var(--panel);border-radius:var(--radius);min-height:0;box-shadow:var(--shadow);flex-direction:column;flex:1;display:flex;overflow:hidden}.catalog.collapsed{flex:none}.catalog.collapsed .catalog-tabs,.catalog.collapsed .catalog-list{display:none}.catalog-header{justify-content:space-between;align-items:center;padding:8px 8px 8px 14px;display:flex}.icon-button{background:0 0;border:none;border-radius:8px;width:32px;height:32px}.icon-button:hover{background:var(--line)}.catalog-tabs{scrollbar-width:thin;flex-shrink:0;gap:6px;padding:0 10px 8px;display:flex;overflow-x:auto}.tab{border:1px solid var(--line);background:var(--panel-solid);white-space:nowrap;border-radius:999px;flex-shrink:0;padding:5px 10px;font-size:13px}.tab.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}.catalog-list{border-top:1px solid var(--line);flex:1;padding:0 10px 12px;overflow-y:auto}.catalog-item h3{margin:12px 0 6px;font-size:13px;font-weight:600}.variants{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:6px;display:grid}.variant{border:1px solid var(--line);background:var(--panel-solid);border-radius:8px;flex-direction:column;align-items:center;gap:2px;min-width:0;padding:4px 4px 6px;display:flex;position:relative}.variant:hover{border-color:var(--accent)}.variant img{background:var(--thumb-bg);border-radius:6px;width:64px;height:64px}.variant-name{max-width:100%;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.variant .badge{color:#fff;background:#23303ab3;border-radius:4px;padding:0 4px;font-size:9px;line-height:14px;position:absolute;top:6px;right:6px}.variant.broken img{outline:2px dashed var(--danger)}.placement-bar{left:calc(var(--side) + 24px);right:12px;bottom:max(12px, env(safe-area-inset-bottom));background:var(--panel);border-radius:var(--radius);max-width:640px;box-shadow:var(--shadow);border-left:4px solid var(--accent);align-items:center;gap:12px;margin:0 auto;padding:10px 12px;display:flex;position:absolute}.placement-bar.invalid{border-left-color:var(--danger)}.placement-text{flex-direction:column;flex:1;min-width:0;display:flex}.placement-label{font-size:14px;font-weight:600}.placement-hint{color:var(--muted);font-size:12px}.placement-actions{gap:6px;display:flex}.placement-actions button{border:1px solid var(--line);background:var(--panel-solid);border-radius:8px;padding:7px 12px}.placement-actions button.primary{border-color:var(--accent);background:var(--accent);color:#fff}.placement-actions button:disabled{opacity:.45;cursor:default}.inspector{top:max(12px, env(safe-area-inset-top));background:var(--panel);border-radius:var(--radius);width:260px;max-height:calc(100% - 24px);box-shadow:var(--shadow);padding:10px 12px 12px;position:absolute;right:12px;overflow-y:auto}.inspector[hidden],.toast[hidden]{display:none}.inspector-header{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.inspector-title{flex-direction:column;min-width:0;display:flex}.inspector-title span{color:var(--muted);font-size:12px}.inspector-section h4{color:var(--muted);justify-content:space-between;margin:12px 0 6px;font-size:12px;font-weight:600;display:flex}.inspector-section output{font-weight:400}.variants.compact{grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:4px}.variants.compact .variant{padding:3px}.variants.compact .variant img{width:48px;height:48px}.variant.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.rotation-row{align-items:center;gap:6px;display:flex}.rotation-row input{min-width:0;accent-color:var(--accent);flex:1}.rotation-row button,.inspector-actions button{border:1px solid var(--line);background:var(--panel-solid);white-space:nowrap;border-radius:8px;padding:6px 9px;font-size:13px}.inspector-actions{gap:6px;margin-top:12px;display:flex}.inspector-actions button{flex:1}.inspector-actions button.danger{color:var(--danger);border-color:#f0c4c1}.swatches{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px;display:grid}.swatch{border:2px solid var(--line);border-radius:8px;height:44px;padding:0}.swatch.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.floors{grid-template-columns:repeat(auto-fill,minmax(72px,1fr))}.floor-swatch{height:52px;position:relative;overflow:hidden}.floor-swatch span{white-space:nowrap;text-overflow:ellipsis;background:#ffffffd9;padding:1px 3px;font-size:10px;position:absolute;bottom:0;left:0;right:0;overflow:hidden}.custom-color{color:var(--muted);justify-content:space-between;align-items:center;margin-top:8px;font-size:12px;display:flex}.custom-color input{border:1px solid var(--line);background:0 0;border-radius:6px;width:44px;height:28px;padding:0}.fp-overlay,body.first-person #ui>:not(.fp-overlay):not(.toast){display:none}body.first-person .fp-overlay{pointer-events:none;display:block;position:absolute;inset:0}.crosshair{border:2px solid #ffffffe6;border-radius:50%;width:14px;height:14px;margin:-7px 0 0 -7px;position:absolute;top:50%;left:50%;box-shadow:0 0 0 1px #00000059}.fp-overlay p{color:#fff;white-space:nowrap;background:#23303abf;border-radius:999px;margin:0;padding:6px 12px;font-size:13px;position:absolute;bottom:18px;left:50%;transform:translate(-50%)}.saves-dialog{border-radius:var(--radius);width:min(560px,100% - 24px);max-height:calc(100% - 48px);box-shadow:var(--shadow);color:var(--text);border:none;padding:14px 16px 16px}.saves-dialog::backdrop{background:#14232d59}.saves-header{justify-content:space-between;align-items:center;display:flex}.saves-header h2{margin:0;font-size:17px}.saves-actions,.saves-name-form{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.saves-name-form[hidden]{display:none}.saves-name-form label{color:var(--muted);flex-direction:column;flex:220px;font-size:12px;display:flex}.saves-name-form input{border:1px solid var(--line);font:inherit;color:var(--text);border-radius:8px;margin-top:2px;padding:6px 8px}.saves-actions button,.saves-name-form button,.save-buttons button{border:1px solid var(--line);background:var(--panel-solid);border-radius:8px;padding:6px 10px;font-size:13px}.saves-name-form{align-items:flex-end}.saves-name-form button.primary{border-color:var(--accent);background:var(--accent);color:#fff}.saves-list{border-top:1px solid var(--line);margin:14px 0 0;padding:0;list-style:none}.saves-list li{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:10px 0;display:flex}.saves-list li.current strong{color:var(--accent)}.saves-list li.empty{color:var(--muted)}.save-info{flex-direction:column;min-width:0;display:flex}.save-info strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.save-info small{color:var(--muted)}.save-name{align-items:center;gap:6px;min-width:0;display:flex}.save-info .tag{background:var(--accent-soft);color:var(--accent);border-radius:999px;flex-shrink:0;padding:0 6px;font-size:11px}.save-buttons{flex-shrink:0;gap:4px;display:flex}.save-buttons .danger{color:var(--danger)}.save-buttons .danger-solid{border-color:var(--danger);background:var(--danger);color:#fff}.toast{left:50%;top:max(16px, env(safe-area-inset-top));color:#fff;text-align:center;pointer-events:none;background:#23303aeb;border-radius:999px;max-width:min(520px,100% - 32px);padding:8px 14px;font-size:13px;position:absolute;transform:translate(-50%)}@media (width<=700px){.sidebar{display:contents}.hud{top:max(12px, env(safe-area-inset-top));width:auto;padding:8px 12px;position:absolute;left:12px;right:12px}.hud .hint{display:none}.catalog{border-radius:var(--radius) var(--radius) 0 0;width:auto;height:46vh;padding-bottom:env(safe-area-inset-bottom);position:absolute;bottom:0;left:0;right:0}.catalog.collapsed{height:auto;bottom:0}.placement-bar{left:12px;right:12px;bottom:calc(56px + env(safe-area-inset-bottom));flex-wrap:wrap}.placement-actions{width:100%}.inspector{top:auto;left:12px;right:12px;bottom:calc(56px + env(safe-area-inset-bottom));width:auto;max-height:42vh;padding:8px 10px 10px}.variants.compact{display:flex;overflow-x:auto}.variants.compact .variant{flex:none}.inspector-section h4{margin:8px 0 4px}.inspector-actions{margin-top:8px}.toast{top:calc(max(12px, env(safe-area-inset-top)) + 72px)}.saves-list li{flex-direction:column;align-items:stretch}.placement-actions button{flex:1}}