* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

.card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.content {
    padding: 30px;
}

.step h2 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.wallet-btn {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.wallet-btn:hover {
    border-color: #667eea;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.2);
}

.wallet-icon {
    font-size: 2.5rem;
}

.wallet-name {
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.button-group .btn {
    flex: 1;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.connected-wallet {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.success-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 20px;
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.tx-hash {
    font-size: 0.8rem;
    word-break: break-all;
}

.input-field {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-field:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #f5f5f5;
    color: #333;
    width: 100%;
    margin-top: 20px;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-icon {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn-icon:hover {
    background: #f0f0f0;
}

.info-box {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.info-item {
    margin-bottom: 15px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.label {
    display: block;
    font-weight: 600;
    color: #555;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.address-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.address {
    background: white;
    padding: 10px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: #333;
    word-break: break-all;
    flex: 1;
    border: 1px solid #e0e0e0;
    text-align: center;
}

.address-link {
    text-decoration: none;
    color: inherit;
    flex: 1;
    display: flex;
}

.address-link:hover .address {
    background: #f0f0f0;
    border-color: #667eea;
}

.address-link .address {
    color: #667eea;
    cursor: pointer;
    width: 100%;
}

.value {
    display: inline-block;
    background: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: 600;
    color: #667eea;
    border: 1px solid #e0e0e0;
}

.value.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-size: 1.1rem;
    padding: 10px 16px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
    justify-items: center;
}

.info-grid .info-item {
    text-align: center;
}

.info-grid .label {
    text-align: center;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.alert-info {
    background: #e3f2fd;
    color: #1565c0;
    border-left: 4px solid #2196f3;
}

.alert-warning {
    background: #fff3e0;
    color: #e65100;
    border-left: 4px solid #ff9800;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #4caf50;
}

.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 4px solid #f44336;
    margin-top: 15px;
}

.loading {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.footer {
    background: #f8f9fa;
    padding: 20px 30px;
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

.link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.link:hover {
    color: #764ba2;
    text-decoration: underline;
}

@media (max-width: 600px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .wallet-grid {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
    }
}