body {
    background-color: #f8f9fa;
    padding-top: 0;
}

/* Fijar navbar para evitar desplazamientos */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.card {
    margin-bottom: 20px;
    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: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

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

.table th {
    border-top: none;
}

.badge {
    font-size: 0.875em;
}

.btn-group-sm > .btn, .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
    border-radius: 0.2rem;
}

.alert {
    margin-bottom: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.sidebar {
    min-height: calc(100vh - 56px);
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
}

.sidebar .nav-link {
    color: #495057;
}

.sidebar .nav-link:hover {
    color: #0d6efd;
}

.sidebar .nav-link.active {
    color: #0d6efd;
    font-weight: 500;
}

.dashboard-card {
    border-left: 4px solid;
}

.dashboard-card.bg-primary {
    border-left-color: #0d6efd;
}

.dashboard-card.bg-success {
    border-left-color: #198754;
}

.dashboard-card.bg-warning {
    border-left-color: #ffc107;
}

.dashboard-card.bg-info {
    border-left-color: #0dcaf0;
}

/* Estilos para productos populares */
.producto-card {
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    background: #fff;
}

.producto-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #0d6efd;
    background: linear-gradient(145deg, #f8f9ff, #ffffff);
}

.producto-card:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border-color: #0b5ed7;
    background: linear-gradient(145deg, #e3f2fd, #f0f8ff);
}

.producto-card .card-body {
    transition: background-color 0.3s ease;
}

.producto-card:hover .card-body {
    background-color: rgba(13, 110, 253, 0.05);
}

.producto-card:active .card-body {
    background-color: rgba(13, 110, 253, 0.1);
}

/* Efecto de pulsación en la tarjeta */
.producto-card.clicked {
    animation: pulse 0.6s ease-in-out;
    border-color: #198754;
    background: linear-gradient(145deg, #d4edda, #f8fff9);
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 10px 30px rgba(25, 135, 84, 0.3);
    }
    100% {
        transform: scale(1);
    }
}

/* Estilos para filas de búsqueda */
.fila-producto-busqueda {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.fila-producto-busqueda:hover {
    background-color: #f8f9fa;
    border-left: 4px solid #0d6efd;
}

.fila-producto-busqueda:active {
    background-color: #e9ecef;
    border-left: 4px solid #0b5ed7;
}

/* Estilos para resaltar el botón Vender en el navbar */
.nav-link-vender {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
    color: white !important;
    border-radius: 8px !important;
    padding: 8px 16px !important;
    margin: 0 5px !important;
    font-weight: 600 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3) !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    overflow: hidden !important;
}

.nav-link-vender:hover {
    background: linear-gradient(135deg, #218838, #1e7e34) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4) !important;
}

.nav-link-vender:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3) !important;
}

/* Efecto de brillo para el botón Vender */
.nav-link-vender::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-link-vender:hover::before {
    left: 100%;
}

/* Icono para el botón Vender */
.nav-link-vender i {
    margin-right: 8px;
    font-size: 1.1em;
}

/* Estilos para carrito vacío en ventas */
.carrito-vacio-container {
    padding: 2rem 1rem;
}

.carrito-vacio-icon {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 123, 255, 0.1);
    animation: carritoVacioPulse 2s infinite;
}

.carrito-vacio-icon i {
    font-size: 3.5rem;
    color: #1976d2;
    opacity: 0.7;
}

@keyframes carritoVacioPulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(0, 123, 255, 0.1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 25px rgba(0, 123, 255, 0.2);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(0, 123, 255, 0.1);
    }
}

.carrito-vacio-container h5 {
    color: #495057;
    font-weight: 600;
}

.carrito-vacio-container p {
    font-size: 1rem;
    line-height: 1.5;
}

.carrito-vacio-container small {
    font-size: 0.875rem;
    color: #6c757d;
}

/* Efecto hover para el carrito vacío */
.carrito-vacio-container:hover .carrito-vacio-icon {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}