.app{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.container{width:100%;max-width:500px}.card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000004d;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.title{font-size:32px;font-weight:700;color:#1a202c;margin:0 0 10px;text-align:center}.subtitle{font-size:16px;color:#718096;margin:0 0 30px;text-align:center}.form{display:flex;flex-direction:column;gap:25px}.input-group{display:flex;flex-direction:column;gap:8px}.label{font-size:14px;font-weight:600;color:#4a5568}.input-wrapper{position:relative;display:flex;align-items:center}.input{width:100%;padding:16px 50px 16px 20px;font-size:24px;font-weight:600;border:2px solid #e2e8f0;border-radius:12px;outline:none;transition:all .3s ease;color:#1a202c;background:#f7fafc}.input:focus{border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.input-error{border-color:#fc8181}.input-error:focus{border-color:#fc8181;box-shadow:0 0 0 3px #fc81811a}.currency{position:absolute;right:20px;font-size:24px;font-weight:600;color:#667eea;pointer-events:none}.error-message{font-size:14px;color:#fc8181;margin-top:4px}.submit-button{width:100%;padding:16px;font-size:18px;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.submit-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea80}.submit-button:active{transform:translateY(0)}.back-button{background:none;border:none;color:#667eea;font-size:16px;font-weight:600;cursor:pointer;padding:8px 0;margin-bottom:10px;transition:color .3s ease;text-align:left}.back-button:hover{color:#764ba2}.label-row{display:flex;justify-content:space-between;align-items:center}.card-type-badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;text-transform:uppercase;letter-spacing:.5px}.card-type-badge.visa{background:#1a1f71;color:#fff}.card-type-badge.mastercard{background:#eb001b;color:#fff}.input-visa{border-color:#1a1f71}.input-visa:focus{border-color:#1a1f71;box-shadow:0 0 0 3px #1a1f711a}.input-mastercard{border-color:#eb001b}.input-mastercard:focus{border-color:#eb001b;box-shadow:0 0 0 3px #eb001b1a}.help-text{font-size:12px;color:#718096;margin-top:4px}.warning-text{font-size:14px;color:#f6ad55;text-align:center;margin-top:10px;padding:10px;background:#fffaf0;border-radius:8px}.input-warning{border-color:#f6ad55}.submit-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.submit-button:disabled:hover{transform:none;box-shadow:0 4px 15px #667eea66}.secure3d-header{text-align:center;margin-bottom:10px}.secure3d-icon{font-size:48px;margin-bottom:10px}.input-3dsecure{text-align:center;font-size:24px;letter-spacing:8px;font-weight:600}.transaction-info{background:#f7fafc;border-radius:12px;padding:20px;margin:20px 0;border:1px solid #e2e8f0}.info-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #e2e8f0}.info-row:last-child{border-bottom:none}.info-label{font-size:14px;color:#718096;font-weight:500}.info-value{font-size:16px;color:#1a202c;font-weight:700}.info-value-small{font-size:12px;color:#4a5568;font-weight:600;font-family:monospace}.attempt-warning{background:#fffaf0;border:1px solid #f6ad55;border-radius:8px;padding:12px;text-align:center;color:#c05621;font-size:14px;font-weight:600;margin:15px 0}.secure3d-info{margin-top:30px;padding:20px;background:#edf2f7;border-radius:12px;font-size:13px;color:#4a5568}.secure3d-info p{margin:0 0 10px;font-weight:600;color:#2d3748}.secure3d-info ul{margin:10px 0 0;padding-left:20px}.secure3d-info li{margin:5px 0;line-height:1.6}.pending-header{text-align:center;margin-bottom:20px}.pending-icon{font-size:64px;margin-bottom:15px;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pending-info,.success-info,.error-info{background:#f7fafc;border-radius:12px;padding:20px;margin:20px 0;border:1px solid #e2e8f0}.success-info{background:#f0fff4;border-color:#9ae6b4}.error-info{background:#fff5f5;border-color:#fc8181}.success-text{color:#22543d;font-weight:600}.error-text{color:#c53030;font-weight:600}.loading-spinner{display:flex;justify-content:center;align-items:center;margin:30px 0}.spinner{width:50px;height:50px;border:4px solid #e2e8f0;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.pending-note{text-align:center;color:#718096;font-size:14px;margin-top:20px}.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}@media (max-width: 640px){.row{grid-template-columns:1fr}.card{padding:30px 20px}.title{font-size:28px}.input{font-size:20px;padding:14px 45px 14px 16px}.currency{font-size:20px;right:16px}}*{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}#root{width:100%;min-height:100vh}