:root{--bg-primary:#fefefe;--bg-secondary:#f8f8f8;--text-primary:#1a1a1a;--text-secondary:#666;--text-tertiary:#999;--border-color:#e0e0e0;--accent-color:#2563eb;--hover-bg:#f0f0f0;--success-color:#10b981;--error-color:#ef4444;--font-serif:"Merriweather","Georgia",serif;--font-mono:"JetBrains Mono","Courier New",monospace;--transition-speed:.2s;--shadow-subtle:0 1px 3px #0000000d;--shadow-medium:0 4px 6px #00000012}[data-theme=dark]{--bg-primary:#0a0a0a;--bg-secondary:#1a1a1a;--text-primary:#e5e5e5;--text-secondary:#a0a0a0;--text-tertiary:#707070;--border-color:#2a2a2a;--hover-bg:#1f1f1f}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-serif);background:var(--bg-primary);color:var(--text-primary);transition:background-color var(--transition-speed)ease,color var(--transition-speed)ease;line-height:1.6}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{background:var(--accent-color);color:#fff}::selection{background:var(--accent-color);color:#fff}:focus{outline:none}:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:.3s ease-in fadeIn}.slide-up{animation:.3s ease-out slideUp}.loading{position:relative}.loading:after{content:"";border:2px solid var(--border-color);border-top-color:var(--accent-color);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes spin{to{transform:translate(-50%,-50%)rotate(360deg)}}@media (max-width:768px){html{font-size:14px}}@media (max-width:480px){html{font-size:13px}}@media print{body{color:#000;background:#fff}.no-print{display:none!important}}