/* Estilos generales */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
}

/* Sidebar */
.sidebar {
    min-height: 100vh;
    background: var(--dark-color);
    color: white;
    transition: all 0.3s ease;
}

.sidebar .nav-link {
    color: rgba(255,255,255,.8);
    padding: 1rem;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    color: white;
    background: rgba(255,255,255,.1);
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    color: white;
    background: rgba(255,255,255,.2);
    border-left: 4px solid var(--primary-color);
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

/* Botones */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

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

.table thead th {
    border-top: none;
    background-color: var(--light-color);
    font-weight: 600;
}

.table-hover tbody tr:hover {
    background-color: rgba(0,123,255,0.05);
}

/* Formularios */
.form-control {
    border: 1px solid #ced4da;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

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

/* Alertas */
.alert {
    border: none;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Gráficos */
.chart-container {
    position: relative;
    height: 300px;
    margin-bottom: 2rem;
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .chart-container {
        height: 200px;
    }
}

/* Utilidades */
.cursor-pointer {
    cursor: pointer;
}

.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Badges */
.badge {
    padding: 0.5em 0.75em;
    font-weight: 500;
}

/* Tooltips personalizados */
.custom-tooltip {
    position: relative;
}

.custom-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem;
    background: var(--dark-color);
    color: white;
    border-radius: 4px;
    font-size: 0.875rem;
    white-space: nowrap;
    z-index: 1000;
}