:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--primary-dark: #1e40af;--danger: #ef4444;--danger-hover: #dc2626;--success: #10b981;--warning: #f59e0b;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--text-primary: #111827;--text-secondary: #6b7280;--border: #e5e7eb;--bg-primary: #ffffff;--bg-secondary: #f9fafb}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fff;color:var(--text-primary)}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:600;line-height:1.2}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}@media (max-width: 640px){h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1rem}}p{margin-top:0;margin-bottom:1rem;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover);text-decoration:underline}button{font-family:inherit;font-size:.95rem}input,select,textarea{font-family:inherit}