:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #3b82f6;--accent-secondary: #6366f1;--accent-glow: rgba(59, 130, 246, .5);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--border-color: #334155;--sidebar-width: 240px;--header-height: 64px;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400}body{margin:0;padding:0;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}#app{width:100%;height:100vh;display:flex}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:.375rem;font-weight:500;transition:all .2s;cursor:pointer;border:1px solid transparent;gap:.5rem}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;box-shadow:0 4px 12px #3b82f64d}.btn-primary:hover{filter:brightness(1.1);box-shadow:0 6px 16px #3b82f666;transform:translateY(-1px)}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:.75rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a}