:root{--bg-primary: #ffffff;--bg-secondary: #0f172a;--bg-surface: #f8fafc;--text-primary: #0f172a;--text-secondary: #64748b;--accent: #2563eb;--accent-hover: #1d4ed8;--border: #e2e8f0;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #0f172a;--bg-surface: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--accent: #3b82f6;--accent-hover: #60a5fa;--border: #334155;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px;background:var(--bg-primary);color:var(--text-primary);overflow:hidden;height:100vh;width:100vw}#app{height:100vh;width:100vw;overflow:hidden}input,textarea,select,button{font-family:inherit;font-size:inherit}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}