:root{--background:#f9fafb;--foreground:#1f2937;--card:#fff;--card-foreground:#1f2937;--popover:#fff;--popover-foreground:#1f2937;--primary:#3b82f6;--primary-foreground:#fff;--secondary:#10b981;--secondary-foreground:#fff;--muted:#f3f4f6;--muted-foreground:#6b7280;--accent:#f3f4f6;--accent-foreground:#1f2937;--destructive:#ef4444;--destructive-foreground:#fff;--border:#e5e7eb;--input:#e5e7eb;--ring:#3b82f6;--radius:.5rem}.dark{--background:#1f2937;--foreground:#f9fafb;--card:#111827;--card-foreground:#f9fafb;--popover:#111827;--popover-foreground:#f9fafb;--primary:#3b82f6;--primary-foreground:#fff;--secondary:#10b981;--secondary-foreground:#fff;--muted:#374151;--muted-foreground:#9ca3af;--accent:#374151;--accent-foreground:#f9fafb;--destructive:#ef4444;--destructive-foreground:#fff;--border:#374151;--input:#374151;--ring:#3b82f6}.ai-message{background-color:var(--muted);color:var(--foreground);border-radius:.5rem;padding:.75rem}.user-message{background-color:var(--primary);color:var(--primary-foreground);border-radius:.5rem;padding:.75rem}.message-container{flex-direction:column;gap:.5rem;padding:1rem;display:flex}.action-button{flex:1;align-items:center;gap:.5rem;display:flex}.video-editor-container{background-color:var(--background);color:var(--foreground);flex-direction:column;height:100vh;display:flex}.timeline{background-color:var(--card);border-top:1px solid var(--border)}.media-library{background-color:var(--card);border:1px solid var(--border);border-radius:.5rem}.preview-panel{aspect-ratio:16/9;background-color:#000}.toolbar{background-color:var(--card);border-bottom:1px solid var(--border);align-items:center;gap:.5rem;padding:.5rem;display:flex}.track{background-color:var(--muted);border-radius:.375rem;align-items:center;margin-top:.25rem;margin-bottom:.25rem;display:flex;position:relative}.clip{border:1px solid var(--border);cursor:pointer;border-radius:.375rem;height:100%;position:absolute;top:0}.video-clip{background-color:#3b82f680}.audio-clip{background-color:#10b98180}