/* --- Inventario Section (Enterprise Grade) --- */
#inventario {
    padding: var(--spacing-lg);
}

.inventario-controls {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: #FFFFFF;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.inventario-controls-left,
.inventario-controls-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.inventario-controls-left {
    flex: 1 1 320px;
}

.inventario-controls-right {
    margin-left: auto;
}

.inventario-search {
    flex: 1 1 220px;
    min-width: 200px;
    padding: 10px 12px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    background: #FFFFFF;
}

.inventario-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 90, 60, 0.12);
}

.inventario-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--text-color);
}

.inventario-resumen {
    font-size: var(--font-size-sm);
    color: var(--text-color-light);
}

.inventario-alerta {
    border: 1px solid rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.12);
    color: #92400E;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.inventario-alerta strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.inventario-alerta ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: grid;
    gap: 4px;
}

.inventario-controls button:not(.btn-secondary) {
    min-width: auto;
    min-height: 44px;
    padding: 8px 24px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    background: var(--info-color);
    color: white;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.inventario-controls button:not(.btn-secondary):hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.inventario-controls .btn-secondary {
    background: var(--secondary-color);
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.inventario-controls .btn-secondary:hover {
    background: var(--secondary-color-dark);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.inventario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    padding: 0;
}

.inventario-item {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
    min-height: 140px;
}

.inventario-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: #93C5FD;
}

.inventario-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.inventario-item-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--primary-color-dark);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
}

.inventario-unidad {
    font-size: var(--font-size-xs);
    color: var(--text-color-light);
    padding: 4px 10px;
    border-radius: var(--border-radius-pill);
    border: 1px solid var(--border-color);
    background: rgba(245, 242, 232, 0.6);
}

.inventario-item .cantidad {
    font-size: var(--font-size-md);
    color: white;
    background: linear-gradient(135deg, var(--info-color) 0%, #1976d2 100%);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-pill);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--info-color);
    min-width: 60px;
    text-align: center;
}

.inventario-item-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.inventario-cantidad {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.inventario-minimo {
    font-size: var(--font-size-xs);
    color: var(--text-color-light);
}

.inventario-item .inventario-warning {
    font-size: var(--font-size-sm);
    color: var(--danger-color-dark);
    font-weight: var(--font-weight-semibold);
}

.inventario-item p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-color-light);
}

.inventario-item .cantidad-warning {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-color-dark) 100%);
    color: white;
    font-weight: var(--font-weight-bold);
    animation: pulse 2s infinite;
    box-shadow: 0 4px 12px rgba(229, 115, 115, 0.4);
}

.inventario-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-color-light);
    padding: var(--spacing-lg);
}

.inventario-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

@media (max-width: 480px) {
    .inventario-controls {
        align-items: stretch;
    }

    .inventario-controls-left,
    .inventario-controls-right {
        width: 100%;
        justify-content: space-between;
    }

    .inventario-actions {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
}

.inventario-actions button {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    min-height: 44px;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.inventario-actions .btn-eliminar-inventario {
    background: var(--danger-color);
}

.inventario-logs {
    margin-top: var(--spacing-lg);
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.inventario-logs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.inventario-logs-header h3 {
    margin: 0;
    font-size: var(--font-size-md);
    color: var(--primary-color-dark);
}

.inventario-logs-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.inventario-logs-body {
    margin-top: var(--spacing-md);
    overflow-x: auto;
}

.inventario-logs-status {
    margin: var(--spacing-md) 0;
    text-align: center;
    color: var(--text-color-light);
}

.inventario-logs-error {
    color: var(--danger-color-dark);
}

.inventario-logs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    min-width: 720px;
}

.inventario-logs-table th,
.inventario-logs-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

.inventario-logs-table th {
    background: var(--background-color);
    color: var(--text-color-light);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.inventario-logs-table tr:last-child td {
    border-bottom: none;
}

.inventario-log-item {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color-dark);
}

.inventario-log-unidad {
    font-size: var(--font-size-xs);
    color: var(--text-color-light);
}

.inventario-log-origen {
    font-weight: var(--font-weight-semibold);
}

.inventario-log-detalle {
    font-size: var(--font-size-xs);
    color: var(--text-color-light);
    margin-top: 2px;
}

.inventario-log-delta-positive {
    color: var(--success-color);
    font-weight: var(--font-weight-semibold);
}

.inventario-log-delta-negative {
    color: var(--danger-color-dark);
    font-weight: var(--font-weight-semibold);
}

@media (max-width: 768px) {
    .inventario-logs {
        padding: var(--spacing-sm);
    }

    .inventario-logs-table {
        font-size: var(--font-size-xs);
        min-width: 640px;
    }
}

.inventario-actions .btn-eliminar-inventario:hover {
    background: var(--danger-color-dark);
}

@media (max-width: 480px) {
    .inventario-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-md);
    }
    
    .inventario-item {
        padding: var(--spacing-lg);
        min-height: 160px;
    }
    
    .inventario-controls button {
        min-width: 100%;
        width: 100%;
    }
}

@media (min-width: 768px) {
    .inventario-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: var(--spacing-2xl);
        padding: var(--spacing-xl);
    }
    
    .inventario-item {
        padding: var(--spacing-2xl);
        min-height: 200px;
    }
    
    .inventario-actions {
        grid-template-columns: 1fr 1fr;
    }
}