.checkout-form {
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05), 0 15px 40px rgba(0,0,0,0.03);
    margin-bottom: 24px;
}

.summary-card {
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05), 0 15px 40px rgba(0,0,0,0.03);
    position: sticky;
    top: 100px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    transition: all 0.2s;
    background: white;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.1);
    outline: none;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 20px;
}

.shipping-method, .payment-method {
    position: relative;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 12px;
}

.shipping-method:hover, .payment-method:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.02);
}

.shipping-method.selected, .payment-method.selected {
    border-color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.05);
}

.stripe-element {
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
}

.stripe-element.focused {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb), 0.1);
}

.stripe-element.invalid {
    border-color: #ef4444;
}

#card-error {
    color: #ef4444;
    font-size: 14px;
    margin-top: 8px;
}

.checkout-button {
    width: 100%;
    padding: 14px 24px;
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.checkout-button:hover {
    filter: brightness(95%);
}

.checkout-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}