/* VAT Return Period Selection Enhancements */
.form-check-group .form-check {
    margin-bottom: 0.5rem;
}

.form-check-group .form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.form-check-group .form-check-label {
    font-weight: 500;
    cursor: pointer;
}

.vat-period-modal .modal-dialog {
    max-width: 700px;
}

.period-selection-card {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.period-info-alert {
    background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
    border: 1px solid #90caf9;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Period type radio button styling */
.form-check-input[type="radio"] {
    width: 1.2em;
    height: 1.2em;
}

.form-check-input[type="radio"]:checked {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

/* Year and period select styling */
.form-select {
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-select:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-select:disabled {
    background-color: #e9ecef;
    opacity: 1;
}

/* Loading state styling */
.period-loading {
    display: flex;
    align-items: center;
    color: #6c757d;
}

/* Alert styling */
.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-info .alert-heading {
    color: #0c5460;
}

/* Button enhancements */
.btn-primary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Form label enhancements */
.form-label.fw-bold {
    color: #495057;
    margin-bottom: 0.5rem;
}

/* Period display styling */
.period-display-name {
    font-weight: 500;
    color: #212529;
}

.period-date-range {
    font-size: 0.875rem;
    color: #6c757d;
}

.empty
{
    padding: 10px;
}