:root,body.dark-theme{--bg-base: #0f1117;--bg-card: #161b22;--bg-card-hover: #1c2129;--bg-tertiary: #21262d;--bg-input: #0d1117;--border: #30363d;--border-hover: #58a6ff;--text-heading: #f0f6fc;--text-primary: #e1e4e8;--text-secondary: #8b949e;--text-muted: #484f58;--accent: #1f6feb;--accent-hover: #388bfd;--accent-subtle: rgba(31,111,235,.15);--danger: #da3633;--danger-hover: #f85149;--success: #238636;--success-hover: #2ea043;--shadow: rgba(0,0,0,.3);--navbar-bg: #1e2228}body.light-theme{--bg-base: #f6f8fa;--bg-card: #ffffff;--bg-card-hover: #f0f3f6;--bg-tertiary: #e8ecf0;--bg-input: #ffffff;--border: #d0d7de;--border-hover: #0969da;--text-heading: #1f2328;--text-primary: #1f2328;--text-secondary: #656d76;--text-muted: #8b949e;--accent: #0969da;--accent-hover: #0550ae;--accent-subtle: rgba(9,105,218,.12);--danger: #cf222e;--danger-hover: #a40e26;--success: #1a7f37;--success-hover: #116329;--shadow: rgba(31,35,40,.12);--navbar-bg: #e8ecf0}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}h1,h2,h3,h4,h5,h6{margin-bottom:1rem;color:var(--text-heading)}p{margin-bottom:.5rem;line-height:1.6}ul,ol{margin-left:1.5rem;margin-bottom:1rem}li{margin-bottom:.5rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-card)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (max-width: 768px){body{font-size:14px}main{padding:15px!important}}