#payment-form-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    background-color: #c0d5d5;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #32325d;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccd0d7;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #635bff;
    box-shadow: 0 0 0 2px rgba(99, 91, 255, 0.1);
}

#card-element {
    padding: 12px;
    border: 1px solid #ccd0d7;
    border-radius: 4px;
    background-color: white;
}

#card-element:focus {
    border-color: #635bff;
    box-shadow: 0 0 0 2px rgba(99, 91, 255, 0.1);
}

#card-errors {
    color: #fa755a;
    font-size: 14px;
    margin-top: 8px;
}

.payment-submit-btn {
    width: 100%;
    padding: 15px;
    background-color: #635bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.payment-submit-btn:hover:not(:disabled) {
    background-color: #5a54d1;
}

.payment-submit-btn:disabled {
    background-color: #aab7c4;
    cursor: not-allowed;
}

#payment-messages {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 600;
}

#payment-messages.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#payment-messages.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.hidden {
    display: none !important;
}

.spinner {
    display: inline-block;
}

@media (max-width: 600px) {
    #payment-form-container {
        margin: 10px;
        padding: 15px;
    }
}