:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-card: #1e2a45;--bg-card-hover: #253553;--bg-sidebar: #0f1629;--text-primary: #e0e0e0;--text-secondary: #a0a0b0;--text-muted: #6b7280;--accent-purple: #7c3aed;--accent-blue: #3b82f6;--border-color: #2a2a4a;--tag-official: #f59e0b;--tag-social: #3b82f6;--tag-forum: #10b981;--tag-video: #ef4444;--sentiment-positive: #10b981;--sentiment-neutral: #6b7280;--sentiment-negative: #ef4444;--sidebar-width: 260px;--sidebar-collapsed-width: 0px;--topbar-height: 56px}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}