:root{--editor-bg:#0b0f14;--editor-sidebar:#0d1117;--editor-accent:#00bcd4;--editor-accent-hover:#00acc1;--editor-border:rgba(255,255,255,0.08);--editor-text:#ffffff;--editor-text-muted:#94a3b8;--editor-panel-bg:#111822}.video-editor{background:var(--editor-bg);color:var(--editor-text);font-family:Inter,sans-serif;display:flex;flex-direction:column;height:100vh;overflow:hidden}.editor-header{background:var(--editor-sidebar);border-bottom:1px solid var(--editor-border);padding:0 1.5rem;height:60px;display:flex;align-items:center;justify-content:space-between}.editor-header-center{display:flex;gap:.5rem;height:100%}.toolbar-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;background:transparent;color:var(--editor-text-muted);padding:0 1rem;cursor:pointer;transition:all .2s;font-size:.7rem;gap:4px;border:none;border-bottom:2px solid transparent}.toolbar-btn svg{width:20px;height:20px}.toolbar-btn:hover{color:var(--editor-text);background:rgba(255,255,255,.03)}.toolbar-btn.active{border-bottom-color:var(--editor-accent)}.toolbar-btn.active,.toolbar-btn.active .toolbar-icon{color:var(--editor-accent)}.editor-main{display:flex;flex:1;overflow:hidden}.editor-sidebar{width:320px;background:var(--editor-sidebar);border-right:1px solid var(--editor-border);display:flex;flex-direction:column}.sidebar-content-wrapper{display:flex;flex:1;overflow:hidden}.categories-sidebar{width:100px;border-right:1px solid var(--editor-border);padding:.5rem 0}.category-item{width:100%;padding:1rem .5rem;background:transparent;border:none;color:var(--editor-text-muted);font-size:.75rem;text-align:center;cursor:pointer;transition:all .2s}.category-item.active{color:var(--editor-accent);background:rgba(0,188,212,.05)}.items-grid-area{flex:1;padding:1rem;overflow-y:auto}.effects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.effect-thumb{background:rgba(255,255,255,.03);border:1px solid var(--editor-border);border-radius:4px;padding:1rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;cursor:pointer;transition:all .2s}.effect-thumb:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.2)}.effect-preview{font-size:1.5rem;color:var(--editor-accent)}.effect-name{font-size:.7rem;color:var(--editor-text-muted);text-align:center}.preview-area{flex:1;background:#000;display:flex;flex-direction:column;position:relative}.player-header{background:#0d1117;height:40px;padding:0 1rem;display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--editor-text-muted)}.preview-container{flex:1;display:flex;align-items:center;justify-content:center;position:relative}.files-panel{width:320px;background:var(--editor-sidebar);border-left:1px solid var(--editor-border);display:flex;flex-direction:column}.property-tabs{display:flex;border-bottom:1px solid var(--editor-border);background:#111822}.property-tab{flex:1;padding:1rem 0;background:transparent;color:var(--editor-text-muted);font-size:.75rem;cursor:pointer;transition:all .2s;border:none;border-bottom:2px solid transparent}.property-tab.active{color:var(--editor-accent);border-bottom-color:var(--editor-accent)}.property-subtabs{display:flex;padding:.75rem;gap:.5rem}.property-subtab{flex:1;padding:.5rem;background:transparent;border:1px solid var(--editor-border);border-radius:4px;color:var(--editor-text-muted);font-size:.7rem;cursor:pointer}.property-subtab.active{background:rgba(0,188,212,.1);border-color:var(--editor-accent);color:var(--editor-accent)}.property-content{padding:1.25rem;overflow-y:auto}.property-section{margin-bottom:1.5rem}.property-section-title{font-size:.85rem;font-weight:600;margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center}.property-row{margin-bottom:1rem}.property-row label{display:block;font-size:.75rem;color:var(--editor-text-muted);margin-bottom:.5rem}.slider-group{display:flex;align-items:center;gap:1rem}.slider{flex:1;-webkit-appearance:none;appearance:none;height:4px;background:#334155;border-radius:2px}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:var(--editor-accent);border-radius:50%;cursor:pointer}.toggle-switch{justify-content:space-between}.toggle-switch,.vc-export-btn{display:flex;align-items:center}.vc-export-btn{background:var(--editor-accent);color:#000;border:none;border-radius:4px;padding:.6rem 1.25rem;font-weight:600;font-size:.85rem;gap:.5rem;cursor:pointer}.export-container{padding:1rem;display:flex;justify-content:flex-end}@media (max-width:768px){.editor-main{flex-direction:column}.editor-sidebar,.files-panel{width:100%;max-height:40vh}}