*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #8b5cf6;--accent: #ec4899;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--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;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--bg-gradient-light: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .375rem;--radius: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--transition: all .2s ease-in-out}body{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:var(--bg-secondary);color:var(--gray-900);line-height:1.6}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.card{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-xl);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;transition:var(--transition);text-decoration:none}.btn-primary{background:var(--bg-gradient);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--gray-100);color:var(--gray-900)}.btn-secondary:hover{background:var(--gray-200)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#dc2626}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto}.gradient-text{background:var(--bg-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media (max-width: 768px){.container{padding:0 var(--spacing-md)}h1{font-size:2rem!important}h2{font-size:1.75rem!important}}