:root{--bg-primary: #0a0a0a;--bg-secondary: #121212;--bg-card: #1e1e1e;--bg-hover: #2a2a2a;--border: #333333;--border-light: #444444;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #666666;--accent: #ffffff;--accent-hover: #e0e0e0;--success: #4ade80;--success-bg: rgba(74, 222, 128, .1);--error: #ef4444;--error-bg: rgba(239, 68, 68, .1);--warning: #facc15;--warning-bg: rgba(250, 204, 21, .1);--info: #3b82f6;--info-bg: rgba(59, 130, 246, .1);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .4);--transition-fast: .15s ease;--transition-normal: .2s ease;--sidebar-width: 260px;--header-height: 64px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}