/* Estilos personalizados para a aplicación */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
}

.sidebar {
    min-height: calc(100vh - 120px);
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.card-header {
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.table th {
    background-color: rgba(0, 0, 0, 0.03);
}

.btn-action {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
}

.required-field::after {
    content: " *";
    color: var(--danger-color);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 0.375rem;
    padding: 2rem;
    text-align: center;
    background-color: #f8f9fa;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: #e9ecef;
}

.file-preview {
    max-width: 100%;
    max-height: 200px;
    margin-top: 1rem;
}

.stats-card {
    text-align: center;
    padding: 1.5rem;
}

.stats-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stats-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
    text-transform: uppercase;
}

@media (max-width: 767.98px) {
    .sidebar {
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid #dee2e6;
    }
    
    .stats-card {
        margin-bottom: 1rem;
    }
}