*{margin:0;padding:0;box-sizing:border-box}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:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:#333}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:#667eea;color:#fff}.btn-primary:hover{background:#5a6fd8;transform:translateY(-2px)}.btn-secondary{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-secondary:hover{background:#ffffff4d}.btn-danger{background:#e74c3c;color:#fff}.btn-danger:hover{background:#c0392b}.btn-success{background:#27ae60;color:#fff}.btn-success:hover{background:#229954}.input{width:100%;padding:12px 16px;border:1px solid #ddd;border-radius:8px;font-size:16px;transition:border-color .3s ease}.input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 6px #0000001a;transition:all .3s ease}.card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #00000026}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.container{padding:0 16px}.btn{padding:10px 20px;font-size:14px}.card{padding:20px}}