:root{--bg: #0d1117;--bg-elevated: #161b22;--surface: #21262d;--surface-hover: #30363d;--border: #30363d;--border-light: #3d444d;--text: #e6edf3;--text-secondary: #8b949e;--text-muted: #6e7681;--accent: #58a6ff;--accent-hover: #79b8ff;--accent-muted: #388bfd33;--success: #3fb950;--success-muted: #238636;--error: #f85149;--error-muted: #da3633;--warning: #d29922;--shadow: 0 8px 24px rgba(0, 0, 0, .4);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--radius: 8px;--radius-sm: 6px;--radius-lg: 12px;--transition: .2s ease}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--accent-hover);text-decoration:none}h1,h2,h3,h4,h5,h6{margin:0 0 1rem;font-weight:600;line-height:1.3}p{margin:0 0 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