/* Estilos Gerais */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #343a40;
}

.container {
    padding-top: 20px;
    padding-bottom: 50px;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: 600;
}

/* Cards */
.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 20px;
}

.card-header {
    font-weight: 500;
}

/* Tabelas */
.table {
    margin-bottom: 0;
}

.table th {
    border-top: none;
}

/* Formulários */
.form-control, .form-select {
    margin-bottom: 10px;
}

.btn {
    margin-right: 5px;
}

/* Gráficos */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Responsividade */
@media (max-width: 768px) {
    .card-body {
        padding: 15px;
    }
    
    .table-responsive {
        margin-bottom: 15px;
    }
}

/* Cores específicas */
.bg-info {
    background-color: #17a2b8 !important;
}

.bg-success {
    background-color: #28a745 !important;
}

.text-success {
    color: #28a745 !important;
}

.text-danger {
    color: #dc3545 !important;
}

/* Footer */
footer {
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
    padding: 20px 0;
    margin-top: 40px;
}

/* Alertas */
.alert {
    margin-top: 20px;
}

/* Ícones */
.bi {
    margin-right: 5px;
}

/* Loader */
.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}