.sdm-deposit-form-container {
    max-width: 600px;
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.sdm-deposit-header {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}
.sdm-deposit-header h2 {
    margin: 0 0 10px 0;
    color: #2c3e50;
}
.sdm-deposit-description {
    color: #666;
    margin: 0 0 15px 0;
}
.sdm-deposit-notice {
    background: #e3f2fd;
    border-left: 4px solid #2196F3;
    padding: 12px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.6;
}
.sdm-form-section {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}
.sdm-form-section h3 {
    margin: 0 0 20px 0;
    color: #2c3e50;
    font-size: 18px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}
.sdm-form-row {
    margin-bottom: 15px;
}
.sdm-form-row label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}
.sdm-form-row input[type="text"],
.sdm-form-row input[type="email"],
.sdm-form-row input[type="tel"],
.sdm-form-row input[type="date"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}
.sdm-form-row input:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}
.sdm-form-row-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.required {
    color: #e74c3c;
}
.sdm-payment-info {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 16px;
    text-align: center;
}
#payment-element {
    display: none;
    min-height: 100px;
    margin: 20px 0;
}
.sdm-payment-message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
}
.sdm-payment-message.error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}
.sdm-payment-message.success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #81c784;
}
.sdm-form-actions {
    text-align: center;
    margin-top: 30px;
}
.sdm-submit-button {
    background: #2196F3;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.sdm-submit-button:hover {
    background: #1976D2;
}
.sdm-submit-button:disabled {
    background: #bdbdbd;
    cursor: not-allowed;
}
.sdm-spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2196F3;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.sdm-success-message {
    text-align: center;
    padding: 40px;
    background: #fff;
    border: 2px solid #4caf50;
    border-radius: 8px;
}
.sdm-success-icon {
    font-size: 60px;
    margin-bottom: 20px;
}
.sdm-success-message h3 {
    color: #4caf50;
    margin-bottom: 15px;
}
.sdm-success-note {
    background: #f1f8f4;
    padding: 15px;
    border-radius: 4px;
    margin-top: 20px;
    font-size: 14px;
}
@media (max-width: 600px) {
    .sdm-form-row-group {
        grid-template-columns: 1fr;
    }
}