/* Variáveis de cores */
:root {
    --primary-color: #4e73df;
    --secondary-color: #1cc88a;
    --danger-color: #e74a3b;
    --warning-color: #f6c23e;
    --info-color: #36b9cc;
    --dark-color: #5a5c69;
    --light-color: #f8f9fc;
}

/* Estilos gerais */
body {
    background-color: var(--light-color);
    font-family: 'Nunito', sans-serif;
}

/* Navbar personalizada */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), #224abe) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Cards modernos */
.card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 0.75rem;
    background: white;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.2);
}

.card-title {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

/* Botões estilizados */
.btn {
    border-radius: 0.35rem;
    padding: 0.5rem 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #224abe);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #224abe, var(--primary-color));
    transform: translateY(-1px);
}

/* Formulários elegantes */
.form-control {
    border-radius: 0.35rem;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d3e2;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Tabelas responsivas */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background-color: var(--light-color);
    font-weight: 700;
    color: var(--dark-color);
    border-bottom: 2px solid #e3e6f0;
}

.table td {
    vertical-align: middle;
    border-bottom: 1px solid #e3e6f0;
}

/* Alertas personalizados */
.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: rgba(28, 200, 138, 0.1);
    color: var(--secondary-color);
}

.alert-danger {
    background-color: rgba(231, 74, 59, 0.1);
    color: var(--danger-color);
}

/* Dashboard cards */
.display-4 {
    font-weight: 700;
    color: var(--primary-color);
}

/* Estilos responsivos */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
}

/* Animações suaves */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilos para o perfil */
.profile-header {
    background: linear-gradient(135deg, var(--primary-color), #224abe);
    color: white;
    padding: 2rem 0;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
}

.profile-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Estilos para gráficos e métricas */
.metric-card {
    text-align: center;
    padding: 1.5rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
}

.metric-label {
    color: var(--dark-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Estilos para o menu lateral */
.sidebar {
    background: white;
    border-right: 1px solid #e3e6f0;
    padding: 1rem;
    height: 100vh;
    position: fixed;
    width: 250px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-item {
    padding: 0.75rem 1rem;
    border-radius: 0.35rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease;
}

.sidebar-item:hover {
    background-color: var(--light-color);
}

.sidebar-item.active {
    background-color: var(--primary-color);
    color: white;
}

/* Estilos para o conteúdo principal */
.main-content {
    margin-left: 250px;
    padding: 2rem;
}

/* Estilos para o footer */
.footer {
    background: white;
    padding: 1rem 0;
    text-align: center;
    border-top: 1px solid #e3e6f0;
    margin-top: 2rem;
}