:root{--bg: #f9fafb;--bg-card: #ffffff;--bg-card-hover: #f3f4f6;--text: #111827;--text-muted: #6b7280;--accent: #4f46e5;--accent-hover: #4338ca;--success: #10b981;--warning: #f59e0b;--info: #3b82f6;--border: #e5e7eb;--radius: 12px;--radius-sm: 8px}[data-theme=dark]{--bg: #0f172a;--bg-card: #1e293b;--bg-card-hover: #334155;--text: #f1f5f9;--text-muted: #94a3b8;--accent: #818cf8;--accent-hover: #6366f1;--success: #34d399;--warning: #fbbf24;--info: #60a5fa;--border: #334155}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:-apple-system,BlinkMacSystemFont,Noto Sans TC,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;overflow-x:hidden}#root{min-height:100dvh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none}button{border:none;cursor:pointer;font-family:inherit}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}