.container-periodos-ferias {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 10px;
}

.periodo-ferias {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.3s;
}

.periodo-ferias:hover {
    background-color: #f8f9fa;
}

.periodo-ferias.selected {
    background-color: #0d6efd;
    color: white;
}

.btn-modal-ferias {
    width: 100%;
}

@media (max-width: 768px) {
    .container-periodos-ferias {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .container-periodos-ferias {
        grid-template-columns: 1fr;
    }
}

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

.modal-content {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.modal-header {
    background-color: #f0f0f0;
    border-bottom: 1px solid #ddd;
    border-radius: 8px 8px 0 0;
}

.modal-footer {
    background-color: #f8f8f8;
    border-top: 1px solid #ddd;
    border-radius: 0 0 8px 8px;
}

.ferias-container {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 15px;
    background-color: #f9f9f9;
}

.ferias-container:empty {
    display: none;
}

.ferias-periodo {
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ferias-periodo button {
    background: none;
    border: none;
    color: #dc3545;
    cursor: pointer;
    margin-left: 8px;
}

.add-periodo-btn {
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
}

.periodo-item {
    padding: 8px;
    border-bottom: 1px solid #e0e0e0;
}

.periodo-item:last-child {
    border-bottom: none;
}

.periodo-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.periodo-inputs input {
    flex: 1;
}

.btn-adicionar-periodo {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
}

.modal-body {
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal .card {
    margin-bottom: 15px;
}

.modal .card-header {
    background-color: #e9ecef;
    padding: 10px 15px;
}

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
}