:root{--ds-primary-main: #2689FF;--ds-primary-hover: #1E7BE6;--ds-primary-contrast: #FFFFFF;--ds-primary-tint: rgba(38, 137, 255, .1);--ds-bg-main: #F3F3F3;--ds-bg-paper: #FFFFFF;--ds-text-primary: #333333;--ds-text-secondary: #6B6B6B;--ds-text-placeholder: rgba(51, 51, 51, .5);--ds-field: #F3F3F3;--ds-border: #E4E4E4;--ds-border-light: #EEEEEE;--ds-error: #D14343;--ds-r-control: 9px;--ds-r-card: 18px;--ds-fs-h: 18px;--ds-fs-body: 12px;--ds-fs-field: 10.5px;--ds-fs-caption: 9px;--ds-font: "Helvetica Neue", -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--ds-font);font-size:var(--ds-fs-body);color:var(--ds-text-primary);background:var(--ds-bg-main)}.app{display:flex;flex-direction:column;height:100%}.body{display:flex;flex:1;min-height:0}.empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--ds-text-placeholder);padding:36px;font-size:var(--ds-fs-field)}.rail{width:220px;border-right:1px solid var(--ds-border-light);background:var(--ds-bg-paper);flex-shrink:0;display:flex;flex-direction:column}.rail-scroll{flex:1;overflow-y:auto;padding:9px 0;min-height:0}.rail-group{padding:12px 12px 6px;font-size:var(--ds-fs-caption);letter-spacing:.1em;text-transform:uppercase;color:var(--ds-text-secondary);font-weight:600}.rail-item{display:flex;align-items:center;gap:9px;padding:6px 12px;cursor:pointer;color:var(--ds-text-primary);white-space:nowrap;overflow:hidden;font-size:var(--ds-fs-field);font-weight:500;border-radius:var(--ds-r-control);margin:1px 6px}.rail-item:hover{background:var(--ds-field)}.rail-item.active{background:var(--ds-primary-tint);color:var(--ds-primary-main);font-weight:600}.rail-item.rail-leaf{color:var(--ds-text-secondary);font-weight:500}.rail-name{overflow:hidden;text-overflow:ellipsis}.rail-accent{width:18px;height:18px;flex-shrink:0;border-radius:5px;display:inline-flex;align-items:center;justify-content:center}.rail-accent svg{width:11px;height:11px;color:#fff}.rail-folder-icon{display:inline-flex;flex-shrink:0;color:var(--ds-text-secondary)}.rail-folder-icon svg{width:15px;height:15px}.rail-scene-dot{width:8px;height:8px;flex-shrink:0;border-radius:50%;margin:0 3px}.rail-badge{margin-left:auto;font-size:var(--ds-fs-caption);background:var(--ds-field);color:var(--ds-text-secondary);border-radius:9px;padding:1px 7px;font-weight:500}.chevron{display:inline-flex;width:11px;flex-shrink:0;justify-content:center;color:var(--ds-text-placeholder);cursor:pointer;border:none;background:none;padding:0;margin:0;font:inherit}.chevron:hover{color:var(--ds-text-secondary)}.rail-footer{border-top:1px solid var(--ds-border-light);padding:9px;display:flex;gap:6px;align-items:center;flex-shrink:0}.rail-footer input{flex:1;min-width:0;border:none;background:var(--ds-field);border-radius:var(--ds-r-control);padding:8px 9px;font-size:var(--ds-fs-field);color:var(--ds-text-primary)}.rail-footer input:focus{outline:none;box-shadow:inset 0 0 0 1px var(--ds-primary-main)}.rail-new{flex:1;justify-content:center;border:0;border-radius:var(--ds-r-control);background:var(--ds-primary-main);color:var(--ds-primary-contrast);font-weight:500;font-size:var(--ds-fs-field);padding:10px;height:36px}.rail-new:hover:not(:disabled){background:var(--ds-primary-hover);border-color:transparent;color:var(--ds-primary-contrast)}.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--ds-bg-main)}.crumb{padding:12px 18px;color:var(--ds-text-secondary);font-size:var(--ds-fs-body)}.crumb b{color:var(--ds-text-primary);font-weight:600}.crumb-link{border:none;background:none;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer}.crumb-link:hover{color:var(--ds-primary-main)}.crumb-busy{margin-left:10px;font-size:var(--ds-fs-caption);color:var(--ds-text-placeholder)}.create-row{display:flex;gap:9px;padding:6px 18px 2px;align-items:center}.create-label{font-size:var(--ds-fs-field);color:var(--ds-text-secondary)}.create-row input{border:none;background:var(--ds-field);border-radius:var(--ds-r-control);padding:8px 9px;font-size:var(--ds-fs-field);width:220px;color:var(--ds-text-primary)}.create-row input:focus{outline:none;box-shadow:inset 0 0 0 1px var(--ds-primary-main)}.chip{font-size:var(--ds-fs-field);font-weight:500;border:1px solid var(--ds-border);border-radius:var(--ds-r-control);padding:7px 12px;color:var(--ds-text-primary);cursor:pointer;background:var(--ds-bg-paper)}.chip:hover:not(:disabled){border-color:var(--ds-primary-main);color:var(--ds-primary-main)}.chip:disabled{opacity:.45;cursor:default}.grid{padding:18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;overflow-y:auto;align-content:start;flex:1}.card{border:1px solid var(--ds-border);border-radius:var(--ds-r-card);overflow:hidden;cursor:pointer;position:relative;background:var(--ds-bg-paper);transition:border-color .12s,box-shadow .12s}.card:hover{border-color:var(--ds-text-placeholder)}.card.scene.on{border-color:var(--ds-primary-main);box-shadow:0 0 0 2px var(--ds-primary-tint)}.thumb{aspect-ratio:4 / 3;background:var(--ds-field);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--ds-border-light)}.thumb img{width:100%;height:100%;object-fit:cover}.thumb-ph{color:var(--ds-text-placeholder);display:inline-flex}.thumb-ph svg{width:30px;height:30px}.scene-name{padding:9px 12px;font-size:var(--ds-fs-body);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thumb.quad{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px;padding:2px;background:var(--ds-bg-paper)}.mini{background:var(--ds-field);border-radius:3px;display:flex;align-items:center;justify-content:center;overflow:hidden}.mini img{width:100%;height:100%;object-fit:cover}.mini.wire{background:var(--ds-bg-paper);border:1.5px dashed var(--ds-border)}.mini.ph{background:var(--ds-field)}.folder .nm{padding:9px 12px;font-size:var(--ds-fs-body);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:6px}.folder-icon{display:inline-flex;flex-shrink:0;color:var(--ds-text-secondary)}.folder-icon svg{width:15px;height:15px}.footer{border-top:1px solid var(--ds-border-light);background:var(--ds-bg-paper);padding:12px 18px;display:flex;align-items:center;gap:12px}.name-field{display:flex;flex-direction:column;gap:3px}.name-field .label{font-size:var(--ds-fs-caption);text-transform:uppercase;letter-spacing:.06em;color:var(--ds-text-secondary);font-weight:600}.name-field input{border:none;background:var(--ds-field);border-radius:var(--ds-r-control);padding:9px;font-size:var(--ds-fs-field);width:240px;color:var(--ds-text-primary)}.name-field input:focus{outline:none;box-shadow:inset 0 0 0 1px var(--ds-primary-main)}.count{color:var(--ds-text-secondary);font-size:var(--ds-fs-body)}.hint{color:var(--ds-text-placeholder);font-size:var(--ds-fs-caption)}.spacer{flex:1}.btn{border-radius:var(--ds-r-control);padding:9px 18px;font-weight:500;font-size:var(--ds-fs-field);cursor:pointer;border:1px solid var(--ds-border);background:var(--ds-bg-paper);color:var(--ds-text-primary);height:36px}.btn:hover:not(:disabled){border-color:var(--ds-primary-main);color:var(--ds-primary-main)}.btn.primary{background:var(--ds-primary-main);color:var(--ds-primary-contrast);border-color:var(--ds-primary-main)}.btn.primary:hover:not(:disabled){background:var(--ds-primary-hover);border-color:var(--ds-primary-hover);color:var(--ds-primary-contrast)}.btn:disabled{opacity:.5;cursor:default}.toast{position:fixed;bottom:70px;left:50%;transform:translate(-50%);background:var(--ds-error);color:#fff;border-radius:var(--ds-r-control);padding:10px 18px;font-size:var(--ds-fs-field);box-shadow:0 6px 20px #0000002e;max-width:80%}