.app{width:100%;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:#fff;border-radius:12px;padding:24px;margin-bottom:20px;box-shadow:0 4px 6px #0000001a}.header{text-align:center;color:#fff;padding:30px 20px;margin-bottom:30px;display:flex;flex-direction:column;align-items:center}.header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700}.header p{font-size:1.1rem;opacity:.9}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:#667eea;color:#fff}.btn-primary:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover{background:#5a6268}.btn-success{background:#28a745;color:#fff}.btn-success:hover{background:#218838}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover{background:#c82333}.btn:disabled{opacity:.6;cursor:not-allowed}.input-group{margin-bottom:20px}.input-group label{display:block;margin-bottom:8px;font-weight:600;color:#333}.input-group input,.input-group select{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .3s ease}.input-group input:focus,.input-group select:focus{outline:none;border-color:#667eea}.loading{text-align:center;padding:40px;color:#fff;font-size:1.2rem}.error{background:#f8d7da;color:#721c24;padding:16px;border-radius:8px;margin-bottom:20px;border:1px solid #f5c6cb}.success{background:#d4edda;color:#155724;padding:16px;border-radius:8px;margin-bottom:20px;border:1px solid #c3e6cb}*{margin:0;padding:0;box-sizing:border-box}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%;margin:0 auto;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}}