:root{--accent: #0066ff;--accent-hover: #0052cc;--accent-soft: rgba(0, 102, 255, .12);--radius: 12px;--radius-sm: 8px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}[data-theme=dark]{--bg: #0b0e14;--bg-2: #121722;--surface: #161c28;--surface-2: #1d2533;--border: #273043;--text: #e7ecf3;--text-dim: #93a0b4;--shadow: 0 8px 24px rgba(0, 0, 0, .4)}[data-theme=light]{--bg: #f2f5fa;--bg-2: #e9eef6;--surface: #ffffff;--surface-2: #f4f7fc;--border: #d8e0ec;--text: #131a26;--text-dim: #5a6a80;--shadow: 0 6px 20px rgba(20, 40, 80, .1)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);transition:background .2s,color .2s}a{color:var(--accent)}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius-sm);padding:9px 16px;font-size:14px;font-weight:600;transition:all 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